CN209373757U - A kind of appliance fire alarm system integral box - Google Patents
A kind of appliance fire alarm system integral box Download PDFInfo
- Publication number
- CN209373757U CN209373757U CN201920124012.3U CN201920124012U CN209373757U CN 209373757 U CN209373757 U CN 209373757U CN 201920124012 U CN201920124012 U CN 201920124012U CN 209373757 U CN209373757 U CN 209373757U
- Authority
- CN
- China
- Prior art keywords
- connect
- capacitor
- npn
- npn triode
- collector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of appliance fire alarm system integral boxes, the power circuit and control circuit being built in container, the common end of first resistor and first capacitor is connect with the first NPN transistor base, first NPN triode collector is connect with the second NPN transistor base, second NPN triode collector is connect with third NPN triode emitter, the common end of adjustable rheostat one and adjustable rheostat two is connect with third NPN transistor base, third NPN triode collector is connect with power supply all the way, third NPN transistor base is connect with PNP triode collector, PNP triode base stage is connect with third NPN triode collector, PNP triode is connected with buzzer.The utility model has the beneficial effects that after alternating current power down and alternating current power on after staff is notified by buzzer, promote smoke sensor device normal use, avoid fire；Automatic detection replaces artificial detection, improves working efficiency, and also can be reduced the unnecessary wasting of resources.
Description
Technical field
The utility model belongs to fire hazard monitoring technical field, and in particular to a kind of appliance fire alarm system integral box.
Background technique
In fire alarm system, smoke sensor device is commonly used as detecting element, inspection in real time is carried out to current environment to be detected
It surveys, for the generation for avoiding fire, smoke sensor device needs to be constantly in work, and therefore, the power supply of smoke sensor device is just
The basic condition of the normal work of normal work i.e. smoke sensor device.
Generally use mains supply and backup power source dual power supply mode for the continual power supply of smoke sensor device.But
The power supply of existing smoke sensor device lacks a kind of real-time detection apparatus, for detect alternating current whether power down, or in city
Backup power source can be closed in time after electricity incoming call, and alternating current is allowed to design one kind as the power supply, therefore of smoke sensor device again
Appliance fire alarm system integral box is necessary.
Utility model content
To overcome technological deficiency of the existing technology, it is integrated that the utility model discloses a kind of appliance fire alarm systems
Case, functionalization is perfect, after alternating current power down and alternating current power on after staff is notified by buzzer, promote smog to pass
Sensor normal use, avoids fire.
Technical solution adopted by the utility model to solve its technical problems is a kind of appliance fire alarm system integral box,
The power circuit and control circuit being built in container, power supply all the way, two road power supplys and the control circuit that power circuit generates
It is electrically connected；
Control circuit includes the first NPN triode, the second NPN triode, third NPN triode, PNP triode, first
Capacitor, the second capacitor, first resistor, second resistance, 3rd resistor, the 4th resistance, adjustable rheostat one, adjustable rheostat two and
Buzzer；
First resistor one end is connect with two road power supplys, the other end and first capacitor series connection, first resistor and first capacitor
Common end connect with the first NPN transistor base, the first NPN triode emitter pass through 3rd resistor be grounded, the first NPN tri-
Pole pipe collector is connect by second resistance with two road power supplys, and the first NPN triode collector and the second NPN transistor base connect
It connects, the 4th resistance one end is connect with two road power supplys, and the other end is connect with the second NPN triode collector, the second NPN triode
Emitter ground connection, the second NPN triode collector connect with third NPN triode emitter, adjustable rheostat one and can modulation
It hinders device two to connect, the common end of adjustable rheostat one and adjustable rheostat two is connect with third NPN transistor base, the 3rd NPN
Transistor collector is connect with power supply all the way, and third NPN transistor base is connected by the second capacitor and PNP triode collector
It connects, PNP triode base stage is connect with third NPN triode collector, and PNP triode emitter is connect with power supply all the way, PNP tri-
Pole pipe collector is connect with buzzer anode, buzzer cathode ground connection.
Preferably, power circuit includes AC input, primary side winding, the first vice-side winding, the second vice-side winding,
One rectifier diode, the second rectifier diode, third capacitor and the 4th capacitor, AC input both ends respectively with primary side winding
Both ends connection, first vice-side winding one end are connect with the first rectifier diode anode, the first rectifier diode cathode and third electricity
Hold one end connection, the third capacitor other end is connect with the first vice-side winding other end, and third capacitor one end is as power supply all the way；
Second vice-side winding one end is connect with the second rectifier diode anode, the second rectifier diode cathode and the 4th capacitor
One end connection, the 4th capacitor other end are connect with the second vice-side winding other end, and the 4th capacitor one end is as two road power supplys.
Preferably, control circuit further includes third rectifier diode, third rectifier diode anode and the first NPN triode
Collector connection, third rectifier diode cathode are connect with the second NPN transistor base.
Preferably, control circuit further includes the 4th rectifier diode, the 4th rectifier diode anode and third NPN triode
Base stage connection, the 4th rectifier diode cathode are connect with adjustable rheostat two.
Preferably, control circuit further includes the 5th resistance, and the 5th resistance one end is connect with third NPN triode emitter,
5th resistance other end ground connection.
Preferably, control circuit further includes light emitting diode, and light emitting diode anode is connect with buzzer cathode, and luminous two
Pole pipe cathode ground connection.
The utility model has the beneficial effects that its functionalization is perfect, after alternating current power down and alternating current power on after pass through bee
Ring device notifies staff, promotes smoke sensor device normal use, avoids fire；Automatic detection replaces artificial detection,
Working efficiency is improved, and also can be reduced the unnecessary wasting of resources.
Detailed description of the invention
Fig. 1 is a kind of specific embodiment schematic illustration of control circuit described in the utility model.
Fig. 2 is that power circuit described in the utility model shows with a kind of specific embodiment principle that control circuit is electrically connected
It is intended to.
Fig. 3 is power circuit described in the utility model and another specific embodiment principle that control circuit is electrically connected
Schematic diagram.
Appended drawing reference: 1- power circuit, 2- control circuit, B- primary side winding, the first vice-side winding of B1-, the secondary side B2- second
Winding, the first rectifier diode of D1-, the second rectifier diode of D2-, D3- third rectifier diode, the 4th rectifier diode of D4-,
C1- first capacitor, the second capacitor of C2-, C3- third capacitor, the 4th capacitor of C4-, R1- first resistor, R2- second resistance, R3-
Three resistance, the 4th resistance of R4-, the 5th resistance of R5-, the first NPN triode of Q1-, the second NPN triode of Q2-, the 3rd NPN tri- of Q3-
Pole pipe, Q4-PNP triode, RP1- is adjustable rheostat one, RP2- is adjustable rheostat two, BL- buzzer, LED- light emitting diode.
Specific embodiment
More detailed description is done to the embodiments of the present invention below in conjunction with attached drawing and appended drawing reference, makes to be familiar with ability
The technology people in domain can implement accordingly after studying this specification carefully.It should be appreciated that specific embodiment described herein is only to solve
The utility model is released, is not used to limit the utility model.
In the description of the present invention, it should be noted that the orientation of the instructions such as term " on ", "horizontal", "inner" or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
This should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
Embodiment: referring to attached drawing 1, attached drawing 2, a kind of attached appliance fire alarm system integral box shown in Fig. 3 is built in collection
Power circuit 1 and control circuit 2 in vanning, power supply all the way, two road power supplys and the control circuit 2 that power circuit 1 generates are electrically
Connection；
Control circuit 2 includes the first NPN triode Q1, the second NPN triode Q2, tri- pole of third NPN triode Q3, PNP
Pipe Q4, first capacitor C1, the second capacitor C2, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, can modulation
Hinder one RP1 of device, adjustable rheostat two RP2 and buzzer BL；
The one end first resistor R1 is connect with two road power supplys, the other end and first capacitor C1 series connection, first resistor R1 and the
The common end of one capacitor C1 is connect with the first NPN triode Q1 base stage, and the first NPN triode Q1 emitter passes through 3rd resistor R3
Ground connection, the first NPN triode Q1 collector are connect by second resistance R2 with two road power supplys, the first NPN triode Q1 collector
It is connect with the second NPN triode Q2 base stage, the 4th one end resistance R4 is connect with two road power supplys, tri- pole of the other end and the 2nd NPN
The connection of pipe Q2 collector, the second NPN triode Q2 emitter ground connection, the second NPN triode Q2 collector and third NPN triode
The connection of Q3 emitter, adjustable one RP1 of rheostat connect with adjustable two RP2 of rheostat, adjustable one RP1 of rheostat and adjustable rheostat
The common end of two RP2 is connect with third NPN triode Q3 base stage, and third NPN triode Q3 collector is connect with power supply all the way, the
Three NPN triode Q3 base stages are connect by the second capacitor C2 with PNP triode Q4 collector, PNP triode Q4 base stage and third
The connection of NPN triode Q3 collector, PNP triode Q4 emitter are connect with power supply all the way, PNP triode Q4 collector and buzzing
The connection of device BL anode, buzzer BL cathode ground connection.
In the present embodiment, the first NPN triode Q1, the second NPN triode Q2, first resistor R1, second resistance R2, third
Resistance R3, the 4th resistance R4 and first capacitor C1 form detection circuit, third NPN triode Q3, PNP triode Q4, can modulation
Hinder one RP1 of device, two RP2 of adjustable rheostat, the second capacitor C2, buzzer BL form audio frequency oscillator, AC input just
Often when power supply, two road power supplys are applied directly to third NPN triode Q3 emitter through the 4th resistance R4, lead to third NPN triode
Q3 cut-off, PNP triode Q4 cut-off, makes audio frequency oscillator be in the state of failure of oscillation, buzzer BL not sounding；
After power failure, the charge of power storage powers to audio frequency oscillator all the way, and driving buzzer BL occurs, when power supply all the way
After the charge discharge off of storage, the high level hour of third NPN triode Q3 emitter, audio frequency oscillator stop work at this time
Make, buzzer BL stops sounding；
It sends a telegram here again after power failure, since first capacitor C1 both end voltage cannot be mutated, the first NPN triode Q1 base stage
Low level is maintained, off state is in, the second NPN triode Q2 base stage receives the base current from second resistance R2, saturation
Conducting, third NPN triode Q3 transmitting extremely low level, third NPN triode Q3 conducting, PNP triode Q4 conducting, buzzer
BL work；After first capacitor C1 is fully charged, the conducting of the first NPN triode Q1, the second NPN triode Q2 cut-off, the 3rd NPN tri-
Pole pipe Q3 emitter is drawn high, and PNP triode Q4 is caused to end, and buzzer BL stops sounding；Wherein adjust adjustable one RP1 of rheostat
It can change the oscillation frequency of audio frequency oscillator with adjustable two RP2 of rheostat, and then change the rhythm and tone of alarm；
Third rectifier diode D3 has unilateral conduction, plays buffer action；4th rectifier diode D4 improves pressure resistance
Purpose avoids adjustable one RP1 of rheostat and two RP2 of adjustable rheostat from causing fault in minimum resistance value；5th resistance R5
As the current-limiting resistance of third NPN triode Q3, third NPN triode Q3 is protected to be punctured by power supply all the way；Light-emitting diode LED
It connects with buzzer BL, forms sound and light of alarm, further remind staff.
Preferably, power circuit 1 include AC input, primary side winding B, the first vice-side winding B1, the second secondary side around
Group B2, the first rectifier diode D1, the second rectifier diode D2, third capacitor C3 and the 4th capacitor C4, AC input two
End is connect with the both ends primary side winding B respectively, and first one end vice-side winding B1 is connect with the first rectifier diode D1 anode, and first is whole
Stream diode D1 cathode is connect with the one end third capacitor C3, and the third capacitor C3 other end and the first vice-side winding B1 other end connect
It connects, third one end capacitor C3 is as power supply all the way；
Second one end vice-side winding B2 is connect with the second rectifier diode D2 anode, the second rectifier diode D2 cathode and
The connection of four one end capacitor C4, the 4th capacitor C4 other end are connect with the two B2 other end of the second vice-side winding, the 4th one end capacitor C4
As two road power supplys.
In another real-time mode, power circuit 1 generates power supply all the way and two road power supplys as the power supply of control circuit 2, tool
Body running principle is as follows:
AC input produces respectively after being depressured by primary side winding B and the first vice-side winding B1, the second vice-side winding B2
Raw two kinds of power supplys, i.e. power supply and two road power supplys all the way, the first rectifier diode D1 and the second rectifier diode D2 are respectively to first
The low-voltage that vice-side winding B1, the second vice-side winding B2 are generated is rectified, and alternating component, the electricity of third capacitor C3 and the 4th are filtered out
Hold C4 to be respectively filtered the voltage after rectification, power supply all the way and two road power supplys is made to export more smooth voltage；The
The fully charged charge for power storage all the way of three capacitor C3.
The above content is the further descriptions made in conjunction with specific preferred embodiment to the utility model, cannot recognize
Determine specific embodiment of the present utility model to be only limited to these instructions.For the common skill of the utility model technical field
For art personnel, the other embodiments obtained in the case where not departing from the technical solution of the utility model be should be included in practical
In novel protection scope.
Claims (6)
1. a kind of appliance fire alarm system integral box, it is characterised in that: the power circuit and control electricity being built in container
Road, power supply all the way, two road power supplys and the control circuit that power circuit generates are electrically connected；
Control circuit include the first NPN triode, the second NPN triode, third NPN triode, PNP triode, first capacitor,
Second capacitor, first resistor, second resistance, 3rd resistor, the 4th resistance, adjustable rheostat one, adjustable rheostat two and buzzing
Device；
First resistor one end is connect with two road power supplys, the other end and first capacitor series connection, the public affairs of first resistor and first capacitor
End is connect with the first NPN transistor base altogether, and the first NPN triode emitter is grounded by 3rd resistor, the first NPN triode
Collector is connect by second resistance with two road power supplys, and the first NPN triode collector is connect with the second NPN transistor base,
4th resistance one end is connect with two road power supplys, and the other end is connect with the second NPN triode collector, the second NPN triode hair
Emitter grounding, the second NPN triode collector are connect with third NPN triode emitter, adjustable rheostat one and adjustable variable resistance
Device two is connected, and the common end of adjustable rheostat one and adjustable rheostat two is connect with third NPN transistor base, the 3rd NPN tri-
Pole pipe collector is connect with power supply all the way, and third NPN transistor base is connect by the second capacitor with PNP triode collector,
PNP triode base stage is connect with third NPN triode collector, and PNP triode emitter is connect with power supply all the way, tri- pole PNP
Pipe collector is connect with buzzer anode, buzzer cathode ground connection.
2. appliance fire alarm system integral box as described in claim 1, it is characterised in that: power circuit includes that alternating current is defeated
Enter end, primary side winding, the first vice-side winding, the second vice-side winding, the first rectifier diode, the second rectifier diode, third electricity
Hold and the 4th capacitor, AC input both ends are connect with primary side winding both ends respectively, first vice-side winding one end and first whole
Diode cathode connection is flowed, the first rectifier diode cathode is connect with third capacitor one end, the third capacitor other end and the first pair
The connection of the side winding other end, third capacitor one end is as power supply all the way；
Second vice-side winding one end is connect with the second rectifier diode anode, the second rectifier diode cathode and the 4th capacitor one end
Connection, the 4th capacitor other end are connect with the second vice-side winding other end, and the 4th capacitor one end is as two road power supplys.
3. appliance fire alarm system integral box as described in claim 1, it is characterised in that: control circuit further includes that third is whole
Diode is flowed, third rectifier diode anode is connect with the first NPN triode collector, third rectifier diode cathode and second
NPN transistor base connection.
4. appliance fire alarm system integral box as described in claim 1, it is characterised in that: control circuit further includes the 4th whole
Diode is flowed, the 4th rectifier diode anode connect with third NPN transistor base, the 4th rectifier diode cathode and can modulation
Device two is hindered to connect.
5. appliance fire alarm system integral box as described in claim 1, it is characterised in that: control circuit further includes the 5th electricity
Resistance, the 5th resistance one end are connect with third NPN triode emitter, the 5th resistance other end ground connection.
6. appliance fire alarm system integral box as described in claim 1, it is characterised in that: control circuit further includes luminous two
Pole pipe, light emitting diode anode are connect with buzzer cathode, light emitting diode cathode ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920124012.3U CN209373757U (en) | 2019-01-24 | 2019-01-24 | A kind of appliance fire alarm system integral box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920124012.3U CN209373757U (en) | 2019-01-24 | 2019-01-24 | A kind of appliance fire alarm system integral box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209373757U true CN209373757U (en) | 2019-09-10 |
Family
ID=67826840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920124012.3U Expired - Fee Related CN209373757U (en) | 2019-01-24 | 2019-01-24 | A kind of appliance fire alarm system integral box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209373757U (en) |
-
2019
- 2019-01-24 CN CN201920124012.3U patent/CN209373757U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW201411986A (en) | Wireless battery charger and wireless battery charging system | |
| CN109270580B (en) | Chargeable, sensitivity-adjustable and high-sensitivity handheld metal detector | |
| CN105246187A (en) | Emergency lamp system | |
| CN209373757U (en) | A kind of appliance fire alarm system integral box | |
| CN207869458U (en) | A kind of stove impulse circuit with low-voltage prompt | |
| CN103654961B (en) | A kind of Digital Operating Room | |
| CN204795685U (en) | Pilot lamp supply circuit and distribution system | |
| CN209692432U (en) | A kind of switchgear house monitoring early-warning device | |
| CN202472880U (en) | Microcomputer voice prompter for eyesight protection | |
| CN208210394U (en) | The intelligent power supply circuit and its intelligent-induction lamp that can be continued a journey after power-off | |
| CN107590933B (en) | A kind of sound light alarming circuit | |
| CN2145414Y (en) | Siren for gas leak | |
| CN207460555U (en) | A kind of LED constant current driving power | |
| CN202307765U (en) | Audible and visual alarm fuse device | |
| CN206023352U (en) | A kind of bus power source and electric power system | |
| CN207011052U (en) | It is different from the automatic spare device illuminating alarm lamp of emergency light | |
| CN103823102B (en) | A kind of logical power-failure alarming device | |
| CN206340126U (en) | Network fire-control alarm host machine | |
| CN203242090U (en) | Alarm for preventing transformer in low-voltage power line from being stolen | |
| CN113920910B (en) | Electronic indicator fault monitoring system | |
| CN218497022U (en) | Alarm sound detection circuit based on current | |
| CN208581173U (en) | Inverse-excitation type switch power-supply | |
| CN212255636U (en) | Power-off leakage indicator | |
| CN112333880B (en) | Emergency lighting power supply circuit applied to LED lamp | |
| CN209517563U (en) | A kind of load power source circuit with alarm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20210124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |