CN108848315A - A kind of corridor Infrared Monitor System - Google Patents
A kind of corridor Infrared Monitor System Download PDFInfo
- Publication number
- CN108848315A CN108848315A CN201811002256.0A CN201811002256A CN108848315A CN 108848315 A CN108848315 A CN 108848315A CN 201811002256 A CN201811002256 A CN 201811002256A CN 108848315 A CN108848315 A CN 108848315A
- Authority
- CN
- China
- Prior art keywords
- triode
- circuit
- capacitor
- resistance
- cathode
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/65—Control of camera operation in relation to power supply
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/188—Capturing isolated or intermittent images triggered by the occurrence of a predetermined event, e.g. an object reaching a predetermined position
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of corridor Infrared Monitor Systems, including battery, it is connected to the battery oneself connect and judges control circuit, it is connected to from the infrared sensor and video camera judged in control circuit, sender unit on video camera is set, and with described in the remote receiver of the sender unit by wireless network connection from judging that control circuit is made of successively end to end single-valve amplification circuit, secondary amplification circuit, filter circuit, amplification output circuit, signal trigger circuit and power control circuit;In battery and judge to be additionally provided with voltage regulator circuit between control circuit certainly.The present invention provides a kind of corridor Infrared Monitor System, it can be good at reducing the energy consumption of monitoring system, to reduce the operation and use cost of product, the using effect of product can also be improved well simultaneously, reduce the failure-frequency of product, and then the maintenance cost and frequency of maintenance of product are controlled, greatly improve the security protection effect of building.
Description
Technical field
The invention belongs to intelligent building field, in particular to a kind of corridor Infrared Monitor Systems.
Background technique
Nowadays corridor monitoring has gradually been popularized, especially in each commercial affairs and domestic premises.Monitoring position equipment
Long-play not only needs to expend a large amount of electric energy, can also greatly shorten the service life of monitoring device, improve monitoring
The maintenance cost and frequency of maintenance of system.And if maintenance is not in time, and monitoring can be made to lack, and greatly improves the peace of building
Full hidden danger.
Summary of the invention
It is an object of the invention to overcome the above problem, a kind of corridor Infrared Monitor System is provided, can be good at reducing
The energy consumption of monitoring system to reduce the operation and use cost of product, while can also improve the use effect of product well
Fruit, reduces the failure-frequency of product, and then controls the maintenance cost and frequency of maintenance of product, greatly improves the peace of building
Full protection effect.
The purpose of the invention is achieved by the following technical solution:
A kind of corridor Infrared Monitor System, including battery are connected to the battery oneself connect and judge control circuit, connect respectively
Connect and the sender unit on video camera from the infrared sensor and video camera judged in control circuit, be set, and with this
The remote receiver that sender unit passes through wireless network connection;AC power source is also connected on the battery;It is described to sentence certainly
By single-valve amplification circuit, the secondary amplification circuit being connected with single-valve amplification circuit is connected control circuit of breaking with secondary amplification circuit
Filter circuit, the amplification output circuit being connected with filter circuit, the signal trigger circuit being connected with amplification output circuit, and
The power control circuit composition being connected with signal trigger circuit;In battery and judge to be additionally provided with pressure stabilizing between control circuit certainly
Circuit.
The single-valve amplification circuit is by triode VT1, cathode ground connection, base stage of the anode after capacitor C2 with triode VT1
The capacitor C1 and one end being connected be connected with the collector of triode VT1, the other end after slide rheostat RP1 with three
The resistance R1 composition that the base stage of pole pipe VT1 is connected;The emitter of the triode VT1 is grounded, resistance R1 and slide rheostat
The tie point of RP1 connects+5V power supply, the positive electrode and negative electrode composition of capacitor C1 from the signal input part for judging control circuit and with it is infrared
Sensor is connected.
The secondary amplification circuit is by operational amplifier P1, and anode is connected with the collector of triode VT1, cathode and fortune
Calculate the capacitor C3 that is connected of negative input end of amplifier P1, one end ground connection, the other end and operational amplifier P1 positive input terminal phase
The resistance R2 of connection, anode be connected with the positive input terminal of operational amplifier P1, the output end phase of cathode and operational amplifier P1
The capacitor C4 of connection, and the resistance R3 composition being arranged in parallel with capacitor C4.
The electricity that the filter circuit is grounded by cathode, anode is connected after resistance R4 with the output end of operational amplifier P1
Hold C5 and cathode ground connection, the positive capacitor C6 composition being connected after resistance R5 with the anode of capacitor C5.
The amplification output circuit by operational amplifier P2 and one end ground connection, the other end and operational amplifier P2 just
The resistance R6 composition that input terminal is connected, the negative input end of the operational amplifier P2 are connected with the anode of capacitor C6.
The signal trigger circuit is by triode VT2, and triode VT3, time-base integrated circuit IC1, one end is after resistance R7
Simultaneously be connected with the pin 4 of time-base integrated circuit IC1 and pin 8, the other end after resistance R8 with time-base integrated circuit IC1's
The slide rheostat RP2 that pin 1 is connected, sliding end is connected with the base stage of triode VT2, the collection of one end and triode VT3
The resistance R9 that electrode is connected, the other end is connected with the pin 8 of time-base integrated circuit IC1, the transmitting of one end and triode VT3
The resistance R10 that pole is connected, the other end is connected with the pin 1 of time-base integrated circuit IC1, anode and time-base integrated circuit IC1
Pin 5 be connected, the pole capacitor C7 and P that cathode is connected with the pin 1 of time-base integrated circuit IC1 and when basis set at electricity
The diode D1 composition that the pin 3 of road IC1 is connected, the pole N is connected with the cathode of capacitor C7;Wherein, the transmitting of triode VT2
Pole is connected with the base stage of triode VT3, the collector of triode VT2 while pin 2 and pin with time-base integrated circuit IC1
6 are connected, and the tie point of resistance R7 and slide rheostat RP2 are connected with the output end of operational amplifier P2.
The power control circuit is by triode VT4, triode VT5, one end is connected with the emitter of triode VT4,
The resistance pole R11, P that the other end is connected with the emitter of triode VT5 is connected with the collector of triode VT5, the pole N and when
The diode D2 that the pin 4 of base Integrated circuit IC 1 is connected, and the relay K composition being arranged in parallel with diode D2;Its
In, the base stage of triode VT4 is connected with the pole P of diode D1, and the emitter of triode VT4 is extremely connected with the N of diode D1
It connects, the emitter composition of the pole N of diode D2 and triode VT4 is from the input terminal that judges control circuit and defeated with voltage regulator circuit
Outlet is connected, and the pole N of diode D2 judges after the normally opened contact K-1 of relay K with the emitter of triode VT4 composition certainly
The output end of control circuit and it is connected with the power input of video camera.
The voltage regulator circuit is by triode VT6, triode VT7, triode VT8, the positive current collection with triode VT6 simultaneously
The capacitor C8 that the collector of pole and triode VT7 are connected, cathode is connected after resistance R13 with the base stage of triode VT7, with
The resistance R12 that capacitor C8 is arranged in parallel, anode be connected with the cathode of capacitor C9, cathode after resistance R14 simultaneously with triode
The capacitor C9 that the base stage of VT6 is connected with the emitter of triode VT7, anode is connected with the anode of capacitor C9, cathode with it is electric
Hold the capacitor C10 that the cathode of C9 is connected, anode is connected with the base stage of triode VT7, cathode is connected with the cathode of capacitor C10
The capacitor C11 connect, the resistance that one end is connected with the base stage of triode VT7, the other end is connected with the collector of triode VT8
R16, the resistance R15, N that one end is connected with the emitter of triode VT6, the other end is connected with the emitter of triode VT8
The zener diode D3 that pole is connected with the emitter of triode VT8, the pole P is connected with the cathode of capacitor C11, anode and three poles
The emitter of pipe VT6 is connected, cathode is connected with the base stage of triode VT8 capacitor C12 and one end and capacitor C12's
Anode is connected, the other end is connected with the pole P of zener diode D3, the cunning that sliding end is connected with the base stage of triode VT8
Dynamic rheostat RP3 composition;Wherein, the anode of capacitor C8 and the cathode of capacitor C9 form the circuit input terminal and with battery
Output end is connected, and the positive pole P with zener diode D3 of capacitor C12 forms the output end of the circuit.
Preferably, the model LM324 of the operational amplifier P1 and operational amplifier P2, time-base integrated circuit IC1
Model NE555.
Compared with prior art, the present invention having the following advantages that and beneficial effect:
(1) present invention can open and close automatically the power supply to video camera according to infrared signal, in no infrared letter
Number when video camera do not run, it is only necessary to consumption and a small amount of electricity support sensor with from the operation for judging control circuit,
Judge that control circuit is just powered the shooting for completing image to video camera certainly after sensor captures infrared signal, so just
Electricity consumed by video camera can be saved well, can be carried out for a long time after once mounting using.
(2) present invention is provided with from control circuit is judged, can control video camera according to the signal of infrared sensor
Power supply, substantially increases the intelligence of product, makes what it when in use can be more accurate shoot, largely need not save
The power consumption wanted.
(3) present invention is provided with voltage regulator circuit, can battery to from judge control circuit power supply during will be electric
Pressure is stablized, and influences to have ensured that the use of product is accurate from the normal operation for judging control circuit when avoiding voltage fluctuation fluctuation
Property, while the element in circuit can also be preferably protected, further improve the service life of product.
Detailed description of the invention
Fig. 1 is structural block diagram of the invention.
Fig. 2 is the circuit diagram for judging control circuit certainly of the invention.
Fig. 3 is the circuit diagram of voltage regulator circuit of the invention.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, and embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, a kind of corridor Infrared Monitor System, including battery, be connected to the battery the judgement control certainly connect
Circuit is connected to the signal being arranged on video camera from the infrared sensor and video camera judged in control circuit and sends
Device, and the remote receiver for passing through wireless network connection with the sender unit;Alternating current is also connected on the battery
Source;Described to judge control circuit by single-valve amplification circuit certainly, the secondary amplification circuit being connected with single-valve amplification circuit is put with secondary
The connected filter circuit of big circuit, the amplification output circuit being connected with filter circuit, the signal touching being connected with amplification output circuit
Power Generation Road, and the power control circuit composition being connected with signal trigger circuit;In battery and judge between control circuit certainly
It is additionally provided with voltage regulator circuit.
When work, infrared sensor persistently captures infrared signal, when it does not capture infrared signal from judgement
Control circuit is not powered video camera;After infrared sensor captures infrared signal, then judge that control circuit is sent out to oneself
The number of delivering letters, from judge that control circuit is upon receipt of the signals then powered video camera, video camera must be established by cable after machine just automatically
It is shot, and the image information of shooting is sent in remote receiver by sender unit, just can so be made well
With the present invention, the shooting time of video camera is greatly reduced, improves the service life of product well.
As shown in Fig. 2, single-valve amplification circuit is by triode VT1, capacitor C1, capacitor C2, resistance R1, slide rheostat RP1
Composition.
When connection, the cathode ground connection of capacitor C1, anode are connected after capacitor C2 with the base stage of triode VT1, resistance R1
One end be connected with the collector of triode VT1, the other end is connected after slide rheostat RP1 with the base stage of triode VT1
It connects;The emitter of the triode VT1 is grounded, and the tie point of resistance R1 and slide rheostat RP1 connect+5V power supply, capacitor C1's
Positive electrode and negative electrode composition judges the signal input part of control circuit and is connected with infrared sensor certainly.
Secondary amplification circuit is made of operational amplifier P1, capacitor C3, capacitor C4, resistance R2, resistance R3.
When connection, the anode of capacitor C3 is connected with the collector of triode VT1, cathode and operational amplifier P1 bear it is defeated
Enter end to be connected, one end ground connection of resistance R2, the other end are connected with the positive input terminal of operational amplifier P1, the anode of capacitor C4
It is connected with the positive input terminal of operational amplifier P1, cathode is connected with the output end of operational amplifier P1, resistance R3 and capacitor
C4 is arranged in parallel.
Filtered electrical routing resistance R4, resistance R5, capacitor C5, capacitor C6 composition.
When connection, the cathode ground connection of capacitor C5, anode are connected after resistance R4 with the output end of operational amplifier P1, electricity
Hold the cathode ground connection of C6, anode is connected after resistance R5 with the anode of capacitor C5.
Amplification output circuit is made of operational amplifier P2 and resistance R6.
One end ground connection of resistance R6, the other end are connected with the positive input terminal of operational amplifier P2, the operational amplifier
The negative input end of P2 is connected with the anode of capacitor C6.
Signal trigger circuit is by triode VT2, triode VT3, time-base integrated circuit IC1, resistance R7, resistance R8, resistance
R9, resistance R10, capacitor C7, diode D1, slide rheostat RP2 composition.
When connection, pin 4 and pipe of the one end of slide rheostat RP2 after resistance R7 while with time-base integrated circuit IC1
Foot 8 is connected, the other end is connected after resistance R8 with the pin 1 of time-base integrated circuit IC1, sliding end and triode VT2
Base stage is connected, and one end of resistance R9 is connected with the collector of triode VT3, the pipe of the other end and time-base integrated circuit IC1
Foot 8 is connected, and one end of resistance R10 is connected with the emitter of triode VT3, the pipe of the other end and time-base integrated circuit IC1
Foot 1 is connected, and the anode of capacitor C7 is connected with the pin 5 of time-base integrated circuit IC1, cathode and time-base integrated circuit IC1
Pin 1 is connected, and the pole P of diode D1 is connected with the pin 3 of time-base integrated circuit IC1, the pole N is connected with the cathode of capacitor C7
It connects;Wherein, the emitter of triode VT2 is connected with the base stage of triode VT3, the collector of triode VT2 simultaneously with when base
The pin 2 of Integrated circuit IC 1 is connected with pin 6, and the tie point of resistance R7 and slide rheostat RP2 are with operational amplifier P2's
Output end is connected.
Power control circuit is made of triode VT4, triode VT5, relay K, diode D2, resistance R11.
When connection, one end of resistance R11 is connected with the emitter of triode VT4, the transmitting of the other end and triode VT5
Pole is connected, and the pole P of diode D2 is connected with the collector of triode VT5,4 phase of pin of the pole N and time-base integrated circuit IC1
Connection, relay K are arranged in parallel with diode D2;Wherein, the base stage of triode VT4 is connected with the pole P of diode D1, three poles
The emitter of pipe VT4 is connected with the pole N of diode D1, and the pole N of diode D2 and the emitter composition of triode VT4 judge certainly
The input terminal of control circuit and it is connected with the output end of voltage regulator circuit, the pole N of diode D2 is through the normally opened contact K- of relay K
The output end of control circuit is judged certainly with the emitter of triode VT4 composition after 1 and is connected with the power input of video camera.
In use, the signal of infrared sensor is inputted by signal input part, and first is carried out at single-valve amplification circuit
Secondary amplification, signal enter filter circuit after secondary amplification circuit is amplified again and is stablized again after completing to amplify for the first time,
The filtering processing of complete pair signals in filter circuit, improves the precision of signal, and avoiding clutter influences product normal operation,
Filtered signal again passes by amplification output circuit and just completes the process entirely amplified.When there is infrared signal input, put
Big output circuit output voltage signal, the current potential at the base stage of triode VT2 increase, at this time triode VT2 and triode VT3 group
At composite amplifier saturation conduction, the current potential at the collector of triode VT2 is lower than the triggering end pipe of time-base integrated circuit IC1
Foot 2, so that the output end pin 3 of time-base integrated circuit IC1 exports high level and turn-on transistor VT4 and triode VT5
The composite amplifier of composition, so that relay K obtains electric, the output end of the normally opened contact K-1 closure turning circuit of relay K, from
And complete the power supply to video camera.Conversely, triode VT2 and triode VT3 group if infrared sensor does not have signal input
At composite amplifier be saturated truncation, the current potential at the collector of triode VT2 is higher than the triggering end pipe of time-base integrated circuit IC1
Foot 2, the output end pin 3 of time-base integrated circuit IC1 export low level and make the compound of triode VT4 and triode VT5 composition
Amplifier truncation, relay K must not be electric, and the normally opened contact K-1 of relay K is not closed, and power supply does not power to video camera.
The multiple of amplification can be adjusted, be allowed it to by slide rheostat RP1 at single-valve amplification circuit
A greater variety of sensors are adapted to, the adaptability of the circuit is substantially increased.
The model LM324 of the operational amplifier P1 and operational amplifier P2, the model of time-base integrated circuit IC1
NE555。
As shown in figure 3, the voltage regulator circuit is by triode VT6, triode VT7, triode VT8, slide rheostat RP3,
Resistance R12, resistance R13, resistance R14, resistance R15, resistance R6, capacitor C8, capacitor C9, capacitor C10, capacitor C11, capacitor C12,
Zener diode D3 composition.
When connection, capacitor C8 anode simultaneously be connected with the collector of the collector of triode VT6 and triode VT7,
Cathode is connected after resistance R13 with the base stage of triode VT7, and resistance R12 is arranged in parallel with capacitor C8, capacitor C9 anode with
The cathode of capacitor C9 is connected, cathode after resistance R14 simultaneously with the base stage of triode VT6 and the emitter phase of triode VT7
Connection, the anode of capacitor C10 is connected with the anode of capacitor C9, cathode is connected with the cathode of capacitor C9, the anode of capacitor C11
Be connected with the base stage of triode VT7, cathode is connected with the cathode of capacitor C10, one end of resistance R16 and triode VT7's
Base stage is connected, the other end is connected with the collector of triode VT8, one end of resistance R15 and the emitter phase of triode VT6
Connection, the other end are connected with the emitter of triode VT8, and the pole N of zener diode D3 is connected with the emitter of triode VT8
Connect, the pole P is connected with the cathode of capacitor C11, the anode of capacitor C12 is connected with the emitter of triode VT6, cathode and three poles
The base stage of pipe VT8 is connected, and one end of slide rheostat RP3 is connected with the anode of capacitor C12, the other end and zener diode
The pole P of D3 is connected, sliding end is connected with the base stage of triode VT8;Wherein, the cathode group of the anode and capacitor C9 of capacitor C8
It is connected at the input terminal of the circuit and with the output end of battery, the anode of capacitor C12 is formed with the pole P of zener diode D3
The output end of the circuit.
In use, voltage regulator circuit will carry out steady pressure treatment to the output voltage of battery, its voltage fluctuation is avoided to rear
The continuous influence using circuit and equipment can be good at avoiding from control circuit is judged because mistake is sentenced caused by voltage fluctuation
It is disconnected, the accuracy of its control is improved, preferably improves the using effect of product, while each electricity consumption member device can also be protected
The safety of part further improves the service life of product.
As described above, the present invention can be realized well.
Claims (9)
1. a kind of corridor Infrared Monitor System, it is characterised in that:Including battery, the control electricity of judgement certainly connect is connected to the battery
Road is connected to from the infrared sensor and video camera judged in control circuit, the sender unit on video camera is arranged in,
And the remote receiver for the sender unit passing through wireless network connection;AC power source is also connected on the battery;
Described to judge control circuit certainly by single-valve amplification circuit, the secondary amplification circuit being connected with single-valve amplification circuit is amplified with secondary
The connected filter circuit of circuit, the amplification output circuit being connected with filter circuit, the signal triggering being connected with amplification output circuit
Circuit, and the power control circuit composition being connected with signal trigger circuit;In battery and judge between control circuit also certainly
It is provided with voltage regulator circuit.
2. a kind of corridor Infrared Monitor System according to claim 1, it is characterised in that:The single-valve amplification circuit is by three
Pole pipe VT1, the capacitor C1 and one end and three poles that cathode ground connection, anode are connected after capacitor C2 with the base stage of triode VT1
The resistance R1 group that the collector of pipe VT1 is connected, the other end is connected after slide rheostat RP1 with the base stage of triode VT1
At;The emitter of the triode VT1 is grounded, and the tie point of resistance R1 and slide rheostat RP1 connect+5V power supply, capacitor C1's
Positive electrode and negative electrode composition judges the signal input part of control circuit and is connected with infrared sensor certainly.
3. a kind of corridor Infrared Monitor System according to claim 2, it is characterised in that:The secondary amplification circuit is by transporting
Amplifier P1 is calculated, anode is connected with the collector of triode VT1, cathode is connected with the negative input end of operational amplifier P1
Capacitor C3, the resistance R2 that one end ground connection, the other end are connected with the positive input terminal of operational amplifier P1, anode and operational amplifier
The capacitor C4 that the positive input terminal of P1 is connected, cathode is connected with the output end of operational amplifier P1, and it is in parallel with capacitor C4
The resistance R3 of setting is formed.
4. a kind of corridor Infrared Monitor System according to claim 3, it is characterised in that:The filter circuit is connect by cathode
The capacitor C5 and cathode ground connection, anode that ground, anode are connected after resistance R4 with the output end of operational amplifier P1 are through resistance
The capacitor C6 composition being connected after R5 with the anode of capacitor C5.
5. a kind of corridor Infrared Monitor System according to claim 4, it is characterised in that:The amplification output circuit is by transporting
The resistance R6 composition that calculation amplifier P2 and one end ground connection, the other end are connected with the positive input terminal of operational amplifier P2, it is described
The negative input end of operational amplifier P2 is connected with the anode of capacitor C6.
6. a kind of corridor Infrared Monitor System according to claim 5, it is characterised in that:The signal trigger circuit is by three
Pole pipe VT2, triode VT3, time-base integrated circuit IC1, pin 4 of the one end after resistance R7 while with time-base integrated circuit IC1
It is connected with pin 8, the other end is connected after resistance R8 with the pin 1 of time-base integrated circuit IC1, sliding end and triode
The slide rheostat RP2 that the base stage of VT2 is connected, one end is connected with the collector of triode VT3, the other end and when basis set at
The resistance R9 that the pin 8 of IC circuit 1 is connected, one end is connected with the emitter of triode VT3, the other end and when basis set at electricity
The resistance R10 that the pin 1 of road IC1 is connected, anode be connected with the pin 5 of time-base integrated circuit IC1, cathode and when basis set at
The pole capacitor C7 and P that the pin 1 of IC circuit 1 is connected is connected with the pin 3 of time-base integrated circuit IC1, the pole N and capacitor
The diode D1 composition that the cathode of C7 is connected;Wherein, the emitter of triode VT2 is connected with the base stage of triode VT3, and three
The collector of pole pipe VT2 is connected with the pin 2 of time-base integrated circuit IC1 and pin 6 simultaneously, resistance R7 and slide rheostat
The tie point of RP2 is connected with the output end of operational amplifier P2.
7. a kind of corridor Infrared Monitor System according to claim 6, it is characterised in that:The power control circuit is by three
Pole pipe VT4, triode VT5, one end is connected with the emitter of triode VT4, the other end is connected with the emitter of triode VT5
The resistance pole R11, P connect is connected with the collector of triode VT5, the pole N is connected with the pin 4 of time-base integrated circuit IC1
Diode D2, and the relay K composition being arranged in parallel with diode D2;Wherein, the base stage of triode VT4 is with diode D1's
The pole P is connected, and the emitter of triode VT4 is connected with the pole N of diode D1, the pole N of diode D2 and the hair of triode VT4
Emitter-base bandgap grading forms to be judged the input terminal of control circuit and is connected with the output end of voltage regulator circuit certainly, and the pole N of diode D2 is through relay
After the normally opened contact K-1 of device K with the emitter of triode VT4 composition from judge control circuit output end and with the electricity of video camera
Source input terminal is connected.
8. a kind of corridor Infrared Monitor System according to claim 7, it is characterised in that:The voltage regulator circuit is by triode
VT6, triode VT7, triode VT8, anode simultaneously be connected with the collector of the collector of triode VT6 and triode VT7,
The capacitor C8 that cathode is connected after resistance R13 with the base stage of triode VT7, the resistance R12 being arranged in parallel with capacitor C8, anode
It is connected with the cathode of capacitor C9, cathode emitter with the base stage of triode VT6 and triode VT7 simultaneously after resistance R14
The capacitor C9 being connected, anode be connected with the anode of capacitor C9, the capacitor C10 that cathode is connected with the cathode of capacitor C9, just
The capacitor C11 that pole is connected with the base stage of triode VT7, cathode is connected with the cathode of capacitor C10, one end and triode VT7
Base stage be connected, the resistance R16 that the other end is connected with the collector of triode VT8, the emitter of one end and triode VT6
Be connected, the resistance pole R15, N that the other end is connected with the emitter of triode VT8 is connected with the emitter of triode VT8,
The zener diode D3 that the pole P is connected with the cathode of capacitor C11, anode be connected with the emitter of triode VT6, cathode and three
The capacitor C12 and one end that the base stage of pole pipe VT8 is connected be connected with the anode of capacitor C12, the other end and zener diode
The slide rheostat RP3 composition that the pole P of D3 is connected, sliding end is connected with the base stage of triode VT8;Wherein, capacitor C8
Anode form the input terminal of the circuit with the cathode of capacitor C9 and be connected with the output end of battery, capacitor C12 anode and
The pole P of zener diode D3 forms the output end of the circuit.
9. a kind of corridor Infrared Monitor System according to claim 8, it is characterised in that:The operational amplifier P1 and fortune
Calculate the model LM324, the model NE555 of time-base integrated circuit IC1 of amplifier P2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811002256.0A CN108848315A (en) | 2018-08-30 | 2018-08-30 | A kind of corridor Infrared Monitor System |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811002256.0A CN108848315A (en) | 2018-08-30 | 2018-08-30 | A kind of corridor Infrared Monitor System |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108848315A true CN108848315A (en) | 2018-11-20 |
Family
ID=64188750
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811002256.0A Pending CN108848315A (en) | 2018-08-30 | 2018-08-30 | A kind of corridor Infrared Monitor System |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108848315A (en) |
-
2018
- 2018-08-30 CN CN201811002256.0A patent/CN108848315A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105825676B (en) | A kind of road vehicles traveling monitoring system based on Internet of Things | |
CN109638794A (en) | A kind of intelligent power distribution method according to power timing | |
CN108848315A (en) | A kind of corridor Infrared Monitor System | |
CN108848314A (en) | A kind of building intelligent camera system | |
CN205484555U (en) | Portable 240V direct current system insulation monitoring and warning device for communication | |
CN105491286A (en) | Voltage-stabilized self-control field image shooting system based on infrared sensor | |
CN110244641A (en) | A kind of railway awning state on_line monitoring system | |
CN109282387A (en) | Jamproof air cleaning unit | |
CN209248266U (en) | A kind of long-distance intelligent power control circuit for urban fire control things-internet gateway | |
CN208963256U (en) | Unexpected acceleration system is prevented under electrical salf-walking Chefei's riding condition | |
CN209132717U (en) | A kind of intelligence system frequently powers off boot-strap circuit optimization device | |
CN208782564U (en) | A kind of ups power with sequence switch loading functional | |
CN208101727U (en) | Control circuit and control system for electric car | |
CN109147266A (en) | Building safety defense monitoring system | |
CN105402794A (en) | Range hood energy-saving control system based on bandpass filtering amplifying circuit | |
CN105423385A (en) | Energy-saving control system based on compound band-pass filtering and amplifying circuit and used for range hood | |
CN105611239A (en) | Corridor intelligent monitoring system | |
CN204462240U (en) | The ac power supply line state detection circuit of high sensitivity and high input impedance | |
CN105611241A (en) | Filtering and amplifying type corridor intelligent monitoring system | |
CN205622293U (en) | Emergency light lighting control detecting system | |
CN105472242A (en) | Current stabilizing self-control field image photographing system based on infrared sensor | |
CN210742888U (en) | Energy-saving circuit without MCU | |
CN105491287A (en) | Buffer type current-stabilized self-control field image shooting system based on infrared sensor | |
CN105488937A (en) | Voltage-stabilizing forest infrared fire prevention system based on self-control power circuit | |
CN105955368A (en) | Remote monitoring system for distribution device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181120 |
|
WD01 | Invention patent application deemed withdrawn after publication |