CN209560701U - Warning circuit - Google Patents
Warning circuit Download PDFInfo
- Publication number
- CN209560701U CN209560701U CN201920266524.3U CN201920266524U CN209560701U CN 209560701 U CN209560701 U CN 209560701U CN 201920266524 U CN201920266524 U CN 201920266524U CN 209560701 U CN209560701 U CN 209560701U
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- Prior art keywords
- alarm
- signal
- module
- fault
- control module
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- 238000001514 detection method Methods 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Abstract
The utility model discloses a kind of warning circuits, are related to warning device, the main points of its technical scheme are that: a kind of warning circuit, including, detection input: for issuing detection alarm signal；Alarm control module: being coupled in detection input, for issuing alarm control signal after receiving detection alarm signal；Alarm execution module: it is coupled in alarm control module, further includes fault alarm module for issuing alarm signal after receiving alarm control signal；It is coupled to alarm control module, and issues fault-signal to alarm control module, the alarm control module receives and issues failure alarm signal to alarm execution module after fault-signal, issues fault indication signal after the alarm execution module reception failure alarm signal.The utility model solves fire behavior and is not easy the technical issues of being found, and has when there is power failure, the advantages of capable of being found in time.
Description
Technical field
The utility model relates to the technical field of warning device, in particular to a kind of warning circuit.
Background technique
Smokescope is generally detected by smoke sensor device in existing fire alarm installation, when smokescope reaches default
When value, issues signal and the signal is transmitted to the alarm module, alarmed by alarm module.
Above-mentioned the shortcomings of the prior art is: alarm inconvenience in indoor detection process examines it
It repairs, during not overhauled for a long time, possible alarm has broken down, but will not in the ignorant situation of people
It is replaced, alarm, which can not alarm, when there is fire behavior causes fire that cannot be handled in time.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is that: a kind of warning circuit is provided, it, which has, works as
When there is power failure, the advantages of capable of being found in time.
Above-mentioned technical purpose is achieved through the following technical solutions, a kind of warning circuit, including,
Detection input: for issuing detection alarm signal；
Alarm control module: being coupled in detection input, for issuing alarm control signal after receiving detection alarm signal；
Alarm execution module: being coupled in alarm control module, for issuing alarm signal after receiving alarm control signal, also
Including,
Fault alarm module；It is coupled to alarm control module, and issues fault-signal to alarm control module
Failure alarm signal, the alarm are issued to alarm execution module after the alarm control module reception fault-signal
Execution module issues fault indication signal after receiving failure alarm signal.
Through the above technical solutions, can be learnt in time in power supply sounding failure by the setting of fault alarm module,
The work such as replaced or repaired, avoid due to do not know caused by the power-supply system of alarm has been damaged cannot and
Shi Faxian fire behavior, causes risk.
Further, the fault alarm module includes power circuit, and alarm control module is electrically connected at power circuit
On, and fault detection signal is issued to alarm control module.
Through the above technical solutions, being alarm control module power supply, the electricity of this power supply and detection device by power circuit
Source is same power supply, and when power supply breaks down, fault alarm module issues fault-signal to alarm control module, and alarm executes
Module issues fault indication signal, and people is allowed to learn that the equipment breaks down.
Further, the detection input is coupled with detection transmission module, for receiving after detection alarm signal to report
Alert control module hair transmission signal.
Through the above technical solutions, transmission module can be connected between input terminal and alarm control module, due to detection
The power supply of equipment is provided by power circuit, so directly will be unable to receive by connection between single-chip microcontroller and input terminal and power circuit
The signal of input terminal is transferred on alarm control module by the signal of input terminal by transmission module.
Further, the power module is coupled in transmission module, for providing electric energy for signal transmission module.
Through the above technical solutions, providing energy by power module for signal transmission, synchronous alarm is realized.
Further, the transmission module includes the rectifier bridge being connect with power module by transformer and is connected to whole
The relay on bridge is flowed, the contact series of the relay are in alarm execution module.
Through the above technical solutions, being rectified by rectifier bridge, since power module is AC power source, pass through rectifier bridge
It is rectified, is used for detection input, voltage appropriate is obtained by detection input by transformer.
Further, the execution module includes alarm lamp, and the alarm lamp is for receiving controlling alarm mould
Police instruction is issued after the alarm control signal that block issues.
Through the above technical solutions, different signals can be issued by alarm lamp, believe when receiving controlling alarm
Number when, indicator light is bright to be always on, so issue police instruction.
Further, the alarm control module includes single-chip microcontroller, and two input terminals of single-chip microcontroller are respectively coupled to transmission
Module and fault alarm module are connected on alarm lamp after two output ends of the single-chip microcontroller are in parallel, and respectively to
Alarm lamp issues alarm signal and fault indication signal.
Through the above technical solutions, working as fault alarm module, when continuing to issue signal to single-chip microcontroller, single-chip microcontroller can be to report
Alert indicator light issues pulse signal, and when a failure occurs it, fault alarm module issues low level, and indicator light extinguishes, and display occurs
Alarm.
Further, it is light coupling relay that the relay, which is selected,.
Through the above technical solutions, the stability of light coupling relay is relatively good.
The utility model has following technical effect that in summary
1, by the setting of fault alarm module, it can be learnt in time in power supply sounding failure, be replaced or tieed up
The work such as repair, fire behavior cannot be found caused by the power-supply system of alarm has been damaged due to not knowing in time by avoiding, and be made
At risk；
It 2, is that alarm control module is powered by power circuit, the power supply of this power supply and detection device is same power supply, when
When power supply breaks down, fault alarm module issues fault-signal to alarm control module, and alarm execution module issues failure and refers to
Show signal, people is allowed to learn that the equipment breaks down；
3, energy is provided for signal transmission by power module, realizes synchronous alarm.
Detailed description of the invention
Fig. 1 is the circuit diagram of the fault alarm module and detection input part in embodiment；
Fig. 2 is the circuit diagram of the alarm control module in embodiment；
Fig. 3 is the partial circuit diagram of the alarm execution module in embodiment；
Fig. 4 is the single-chip microcontroller work flow diagram in embodiment.
Appended drawing reference: 1, detection input；2, alarm control module；20, power circuit；3, alarm execution module；30, it reports
Alert indicator light；4, fault alarm module；5, transmission module.
Specific embodiment
Embodiment, referring to Fig.1, Fig. 2, a kind of warning circuit includes power circuit 20, and is electrically connected at power circuit
The GP0 pin of the single-chip microcontroller of model PIC12F675-I/SN on 20, single-chip microcontroller is electrically connected on power circuit 20.
Referring to Fig. 3, the GP5 pin serial connection of single-chip microcontroller has alarm lamp 30, and power circuit 20 is used as fault alarm module
4, when there are the failures such as power-off fault, 20 open circuit of power circuit, power circuit 20 issues fault-signal, single-chip microcontroller to single-chip microcontroller
As alarm execution module 3, after receiving fault-signal, fault-signal is issued to alarm lamp 30, alarm lamp 30 issues
Fault indication signal.
In the present embodiment, under non-faulting state, single-chip microcontroller controls alarm lamp 30 and flashes, when a failure occurs, single
Piece machine power loss, malfunction indicator lamp, which is extinguished, notifies staff as fault indication signal.
In the present embodiment, signal is connected with transformer on power circuit 20, and the former circle of transformer is connected on power circuit 20
On, the secondary circle of transformer is electrically connected with rectifier bridge, and rectifier bridge is electrically connected in detection input 1, rectifies in the present embodiment
Bridge is connected on the anode of detection input 1, and when detection device detects signal, the anode of detection input 1 and detection are defeated
Enter the cathode connection at end 1, at this time the secondary circle circuit conducting of transformer, connecting between rectifier bridge and detection input 1, there are two light
Coupling relay, as transmission module 5 and receive detection input 1 sending detection alarm signal, the normally opened touching of light coupling relay
Point is connected on the GP2 pin of single-chip microcontroller, and is issued to single-chip microcontroller and transmitted signal, after single-chip microcontroller receives transmission signal, will be transmitted
Signal is issued from pin GP4, and is transferred to alarm lamp 30, and alarm lamp 30 is shown constant by the control of single-chip microcontroller
For state to issue alarm indication signal to people, the GP1 pin serial connection of single-chip microcontroller is police instruction on alarm lamp 30
Lamp 30 is powered.
Specific implementation process first defines I/o interface in conjunction with Fig. 4, defines software timer and variable, judges whether multiple
Position, the initialization of variable if resetting, and is judged whether to be communicated with the machine, directly progress and the machine if resetting
The judgement of communication, when detected equipment and the machine communicate, whether detection input 1 alarms, and detects whether occur
Failure, if there is failure, then alarm lamp 30 extinguishes, and alarm lamp 30 is glittering if normal, and returns to I/O interface,
In case of alarm, then alarm lamp 30 is always on, and is returned to the first step and defined I/O interface, if with examining in the machine communication detection
It measures and is not communicated with the machine, then clock timer stops, and returns to the first step.
In the present embodiment, since GP5 is in parallel with GP0, when a failure occurs, GP4 and GP5 are generated without signal, when not having
It is faulty there is no alarming when, indicator light flashing, when not having failure and alarming, GP4 and GP5 are to police instruction
Lamp 30 issues signal, at this point, alarm lamp 30 is always on.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of warning circuit, including,
Detection input (1): for issuing detection alarm signal；
Alarm control module (2): being coupled in detection input (1), for issuing controlling alarm letter after receiving detection alarm signal
Number；
Alarm execution module (3): being coupled in alarm control module (2), for issuing alarm signal after receiving alarm control signal,
It is characterized by also including,
Fault alarm module (4)；It is coupled to alarm control module (2), and issues fault-signal to alarm control module (2)；
Failure alarm signal, the report are issued to alarm execution module (3) after alarm control module (2) the reception fault-signal
Alert execution module (3) issue fault indication signal after receiving failure alarm signal.
2. warning circuit according to claim 1, it is characterised in that: the fault alarm module (4) includes power circuit
(20), alarm control module (2) is electrically connected on power circuit (20), and issues fault detection to alarm control module (2)
Signal.
3. warning circuit according to claim 2, it is characterised in that: the detection input (1) is coupled with detection transmission
Module (5), for sending out transmission signal to alarm control module (2) after reception detection alarm signal.
4. warning circuit according to claim 3, it is characterised in that: the power circuit (20) is coupled in transmission module
(5) on, for providing electric energy for signal transmission module (5).
5. warning circuit according to claim 4, it is characterised in that: the transmission module (5) include and power circuit
(20) rectifier bridge connected by transformer and the relay being connected on rectifier bridge, the contact series of the relay are being reported
On alert execution module (3).
6. warning circuit according to claim 5, it is characterised in that: the alarm execution module (3) includes police instruction
Lamp (30), the alarm lamp (30) issue alarm after being used to receive the alarm control signal of alarm control module (2) sending
Instruction.
7. warning circuit according to claim 6, it is characterised in that: the alarm control module (2) includes single-chip microcontroller, single
Two input terminals of piece machine are respectively coupled to transmission module (5) and fault alarm module (4), two outputs of the single-chip microcontroller
It is connected on alarm lamp (30) after end is in parallel, and issues alarm signal and indicating fault to alarm lamp (30) respectively
Signal.
8. warning circuit according to claim 5, it is characterised in that: it is light coupling relay that the relay, which is selected,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920266524.3U CN209560701U (en) | 2019-03-01 | 2019-03-01 | Warning circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920266524.3U CN209560701U (en) | 2019-03-01 | 2019-03-01 | Warning circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209560701U true CN209560701U (en) | 2019-10-29 |
Family
ID=68311839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920266524.3U Expired - Fee Related CN209560701U (en) | 2019-03-01 | 2019-03-01 | Warning circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209560701U (en) |
-
2019
- 2019-03-01 CN CN201920266524.3U patent/CN209560701U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191029 |