CN105573202A - Automatic control system used for roller shutter door and based on preposed amplification-type signal filtering circuit - Google Patents
Automatic control system used for roller shutter door and based on preposed amplification-type signal filtering circuit Download PDFInfo
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- CN105573202A CN105573202A CN201510958290.5A CN201510958290A CN105573202A CN 105573202 A CN105573202 A CN 105573202A CN 201510958290 A CN201510958290 A CN 201510958290A CN 105573202 A CN105573202 A CN 105573202A
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
- E06B2009/6809—Control
- E06B2009/6818—Control using sensors
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24027—Circuit, independent from microprocessor, detects contact switch to allow power to actuator
Abstract
The invention discloses an automatic control system used for a roller shutter door and based on a preposed amplification-type signal filtering circuit. The automatic control system is characterized in that the automatic control system is mainly composed of a central processor, an A/D converter and a control circuit respectively connected with the central processor, a signal filtering circuit connected with the A/D converter, a preposed amplification circuit connected with the signal filtering circuit, a photoelectric sensor and an infrared sensor respectively connected with the preposed amplification circuit, and a lifting motor connected with the control circuit; the control circuit is composed of a control chip IC, a signal triggering circuit whose input end is connected with the central processor, and a door opening control circuit and a door closing control circuit whose output ends are respectively connected with the lifting motor; and the signal triggering circuit, the door opening control circuit and the door closing control circuit are respectively connected with the control chip IC. The automatic control system has the advantages that the structure is simple, the cost is low, and automatic door opening and closing are realized, so that the roller shutter door is enabled to isolate products and production environments, and the automatic control system is suitable for popularization and application.
Description
Technical field
The present invention relates to a kind of automatic control system, specifically refer to a kind of rolling screen door automatic control system based on enlarge leadingly formula signal filtering circuit.
Background technology
Because production and processing needs, factory uses rolling screen door isolated product and production environment usually, the rolling screen door normally electric rolling door used at present.Electric rolling door is all the positive and negative switch having transferred rolling screen door by Control monophase machine, namely opens door by raise button, closes door by decline button, stops door action by stop button.Because electric rolling door is all that action carrys out gauge tap artificially, often occur forgetting closing the door or owing to worrying the situation of not closed door, therefore easily make the harmful pollution such as noise, dust or smog enter in rolling screen door, thus bring to the product in rolling screen door or production environment greatly to endanger.
Summary of the invention
The object of the invention is to overcome the electric rolling door used at present is all that action carrys out gauge tap artificially, often occur forgetting closing the door or there is no Guan Wanmen owing to worrying and easily make the harmful pollution such as noise, dust or smog enter defect in rolling screen door, not only structure is simple to provide one, and with low cost, the rolling screen door automatic control system based on enlarge leadingly formula signal filtering circuit of rolling screen door can also be closed in time.
The present invention is achieved through the following technical solutions:
Based on the rolling screen door automatic control system of enlarge leadingly formula signal filtering circuit, primarily of central processing unit, the A/D converter be all connected with central processing unit and control circuit, the signal filtering circuit be connected with A/D converter, the pre-amplification circuit be connected with signal filtering circuit, the photoelectric sensor be all connected with pre-amplification circuit and infrared sensor, and the lifting motor be connected with control circuit forms; Described control circuit by control chip IC, the signal trigger circuit that input end is connected with central processing unit, and the enabling control circuit that is all connected with lifting motor of output terminal and close gate control circuit and form; Described signal trigger circuit are all connected with control chip IC with enabling control circuit and pass gate control circuit.
Further, described pre-amplification circuit is by amplifier P1, amplifier P2, triode VT5, N pole is connected with the negative input end of amplifier P1, the diode D8 that P pole is connected with the output terminal of amplifier P1 after resistance R12, positive pole is connected with the negative input end of amplifier P2, the electric capacity C5 of minus earth, N pole is connected with the P pole of diode D8 after resistance R13, the diode D10 that P pole is connected with the emitter of triode VT5, positive pole is connected with the output terminal of amplifier P2 after slide rheostat R15, the electric capacity C6 that negative pole is connected with the base stage of triode VT5, P pole is connected with the output terminal of amplifier P1, the diode D9 that N pole is connected with the output terminal of amplifier P2, be serially connected in the resistance R14 between the output terminal of amplifier P2 and the positive pole of electric capacity C6, and one end is connected with the base stage of triode VT5, the resistance R16 that the other end is connected as pre-amplification circuit output terminal and with signal filtering circuit jointly with the positive pole of electric capacity C6 forms, the base stage of described triode VT5 is connected with the control end of slide rheostat R15, and the positive input terminal of described amplifier P2 is connected with the output terminal of amplifier P1, the positive input terminal of described amplifier P1 is also connected with infrared sensor with photoelectric sensor respectively with the extremely common input end as pre-amplification circuit of the P of diode D8.
Further, described signal filtering circuit is by triode VT6, triode VT7, field effect transistor Q, positive pole is connected with the base stage of triode VT6 after inductance L through resistance R17 in turn, the electric capacity C9 that negative pole is connected with the collector of triode VT7, positive pole is connected with the emitter of triode VT6 after resistance R18, the electric capacity C8 that negative pole is connected with the source electrode of field effect transistor Q, positive pole is connected with the collector of triode VT6 after resistance R19, the electric capacity C7 of minus earth, P pole is connected with the positive pole of electric capacity C7, the diode D13 that N pole is connected with the grid of field effect transistor Q, N pole is connected with the positive pole of electric capacity C7, the diode D11 that P pole is connected with the emitter of triode VT7, P pole is connected with the positive pole of electric capacity C9, the diode D12 that N pole is connected with the source electrode of field effect transistor Q after resistance R20, P pole is connected with the drain electrode of field effect transistor Q, the diode D14 that N pole is connected with the collector of triode VT7 after resistance R21, and positive pole is connected with the collector of triode VT7, the electric capacity C10 of minus earth forms, the P pole of described diode D12 is connected with the base stage of triode VT7, the positive pole of described electric capacity C7 is connected with the base stage of triode VT5 after resistance R16, the base stage of described triode VT6 is connected with the positive pole of electric capacity C6, and the collector of described triode VT7 jointly forms the output terminal of signal filtering circuit with base stage and is connected with A/D converter.
Further, described signal trigger circuit are by triode VT1, triode VT2, P pole is connected with the base stage of triode VT1 after resistance R1, the diode D2 that N pole is connected with the CONT pin of control chip IC, one end is connected with the base stage of triode VT1, the slide rheostat R2 that the other end is connected with the CONT pin of control chip IC, P pole is connected with the emitter of triode VT1, the diode D3 that N pole is connected with the THR pin of control chip IC, N pole is connected with the collector of triode VT1, the diode D1 that P pole is connected with the RES pin of control chip IC after resistance R3, positive pole is connected with the P pole of diode D1, the electric capacity C1 of minus earth, the base stage of one end and triode VT1 is jointly as the input end of signal trigger circuit, the resistance R5 that the other end is connected with the base stage of triode VT1, be serially connected in the resistance R4 between the base stage of triode VT1 and the collector of triode VT2, positive pole is connected with the base stage of triode VT2, the electric capacity C2 that negative pole is connected with the base stage of triode VT1, N pole is connected with the CONT pin of control chip IC after relay K 1, the diode D4 that P pole is connected with enabling control circuit, and one end is connected with the negative pole of electric capacity C2 after relay K 2, the resistance R10 that the other end is connected with pass gate control circuit forms, the emitter of described triode VT2 is connected with the CONT pin of control chip IC, and the emitter of described triode VT1 is connected with the sliding end of slide rheostat R2.
Simultaneously, described enabling control circuit is by triode VT3, the diode D5 that P pole is connected with the emitter of triode VT3 after resistance R7, N pole is connected with lifting motor after the normally opened contact K1-1 of relay K 1, the resistance R6 that one end is connected with the base stage of triode VT1, the other end is connected with the N pole of diode D5, and the electric capacity C3 that positive pole is connected with the P pole of diode D5, negative pole is connected with pass gate control circuit forms; The collector of described triode VT3 is connected with the P pole of diode D4, and its emitter is connected with the DIS pin of control chip IC.
In order to ensure effect, described pass gate control circuit is by triode VT4, positive pole is connected with the base stage of triode VT3 after resistance R8, the electric capacity C4 that negative pole is connected with the collector of triode VT4, P pole is connected with the OUT pin of control chip IC, the diode D6 that N pole is connected with the positive pole of electric capacity C4, P pole is connected with the emitter of triode VT4, the diode D7 that N pole is connected with lifting motor after the normally opened contact K2-1 of relay K 2, be serially connected in the resistance R9 between the N pole of diode D7 and the positive pole of electric capacity C4, and the resistance R11 be serially connected between the P pole of diode D7 and the base stage of triode VT4 forms, the emitter of described triode VT4 is connected with the negative pole of electric capacity C3, and its base stage is connected with the negative pole of electric capacity C2 after relay K 2 through resistance R10 in turn, the GND pin ground connection of described control chip IC.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) not only structure is simple in the present invention, and it is with low cost, the energy automatic door opening when there being people to enter, and can also automatic door-closing when nobody enters, artificial action control switch can be avoided and often forget to close the door or do not closed door owing to worrying and made the harmful pollution such as noise, dust or smog enter situation in rolling screen door, therefore can ensure rolling screen door isolated product and production environment.
(2) pre-amplification circuit of the present invention can carry out amplification process to the signal of photoelectric sensor and infrared sensor collection, is convenient to A/D converter and carries out conversion process.
(3) signal filtering circuit of the present invention can carry out filtration treatment to the signal of photoelectric sensor and infrared sensor collection, and the signal degree of accuracy after A/D converter can be made to change is higher.
(4) control signal that sends for receiving central processing unit of signal trigger circuit of the present invention, and this control signal is sent to control chip IC process, open the door so that control lifting motor or close the door.
(5) enabling control circuit of the present invention can the conducting when receiving the enabling control signal that central processing unit sends, and lifting controllable motor rises rolling screen door.
(6) pass of the present invention gate control circuit can the conducting when receiving the pass gate control signal that central processing unit sends, and lifting controllable motor cuts out rolling screen door.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention.
Fig. 2 is the electrical block diagram of control circuit of the present invention.
Fig. 3 is the electrical block diagram of pre-amplification circuit of the present invention.
Fig. 4 is the electrical block diagram of signal filtering circuit of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, automatic control system of the present invention, primarily of central processing unit, the A/D converter be all connected with central processing unit and control circuit, the signal filtering circuit be connected with A/D converter, the pre-amplification circuit be connected with signal filtering circuit, the photoelectric sensor be all connected with pre-amplification circuit and infrared sensor, and the lifting motor be connected with control circuit forms.Described infrared sensor is for gathering the human body signal outside rolling screen door, when there being people will enter rolling screen door, the human body signal collected is sent to A/D converter by infrared sensor, A/D converter is sent to central processing unit after being changed by the signal of infrared sensor collection, central processing unit then sends enabling control signal to control circuit, and control circuit then controls lifting motor and rises rolling screen door.
Described photoelectric sensor is for gathering human body below rolling screen door and other object informations, when photoelectric sensor induction sends pass gate control signal less than central processing unit when having people or other objects below rolling screen door to control circuit, control circuit then controls lifting motor and cuts out rolling screen door; When photoelectric sensor senses and to have people or other objects below rolling screen door, the signal of collection is sent to A/D converter conversion, information after conversion will be sent to central processing unit, central processing unit then sends the control signal stopping closing the door to control circuit, control circuit then controls lifting motor and stops action.By the setting of automatic control system of the present invention, can when there being people to enter automatic door opening, and can also automatic door-closing after people enters, artificial action control switch can be avoided and often forget to close the door or do not closed door owing to worrying and made the harmful pollution such as noise, dust or smog enter situation in rolling screen door, therefore can ensure rolling screen door isolated product and production environment.
During enforcement, described control circuit by control chip IC, the signal trigger circuit that input end is connected with central processing unit, and the enabling control circuit that is all connected with lifting motor of output terminal and close gate control circuit and form; Described signal trigger circuit are all connected with control chip IC with enabling control circuit and pass gate control circuit, as shown in Figure 2.What described control chip IC adopted is NE555 integrated chip, and what described central processing unit adopted is SOP8 integrated chip.
Concrete, described signal trigger circuit by triode VT1, triode VT2, relay K 1, relay K 2, diode D1, diode D2, diode D3, diode D4, electric capacity C1, electric capacity C2, resistance R1, slide rheostat R2, resistance R3, resistance R4, resistance R5 and resistance R10 form.The control signal that described signal trigger circuit send for receiving central processing unit, and this control signal is sent to control chip IC process, open the door so that control lifting motor or close the door.
During connection, the P pole of described diode D2 is connected with the base stage of triode VT1 after resistance R1, and its N pole is connected with the CONT pin of control chip IC.One end of described slide rheostat R2 is connected with the base stage of triode VT1, and its other end is connected with the CONT pin of control chip IC.The P pole of described diode D3 is connected with the emitter of triode VT1, and its N pole is connected with the THR pin of control chip IC.The N pole of described diode D1 is connected with the collector of triode VT1, and its P pole is connected with the RES pin of control chip IC after resistance R3.The positive pole of described electric capacity C1 is connected with the P pole of diode D1, its minus earth.The base stage of one end and triode VT1 is jointly as the input end of signal trigger circuit, and its other end is connected with the base stage of triode VT1.Wherein, one end of described resistance R5 is connected with the ZCD pin of SOP8 integrated chip, and the base stage of described triode VT1 is connected with the CS pin of SOP8 integrated chip, and described A/D converter is connected with the MULT pin of SOP8 integrated chip.
Described resistance R4 is serially connected between the base stage of triode VT1 and the collector of triode VT2.Described electric capacity C2 positive pole is connected with the base stage of triode VT2, negative pole is connected with the base stage of triode VT1.The N pole of described diode D4 is connected with the CONT pin of control chip IC after relay K 1, and its P pole is connected with enabling control circuit.One end of described resistance R10 is connected with the negative pole of electric capacity C2 after relay K 2, and its other end is connected with pass gate control circuit.Meanwhile, the emitter of described triode VT2 is connected with the CONT pin of control chip IC, and the emitter of described triode VT1 is connected with the sliding end of slide rheostat R2.
Described enabling control circuit is by triode VT3, and diode D5, electric capacity C3, resistance R6 and resistance R7 form.Described enabling control circuit can the conducting when receiving the enabling control signal that central processing unit sends, and lifting controllable motor rises rolling screen door.
During connection, the P pole of described diode D5 is connected with the emitter of triode VT3 after resistance R7, and its N pole is connected with lifting motor after the normally opened contact K1-1 of relay K 1.One end of described resistance R6 is connected with the base stage of triode VT1, and its other end is connected with the N pole of diode D5.The positive pole of described electric capacity C3 is connected with the P pole of diode D5, and its negative pole is connected with pass gate control circuit.Meanwhile, the collector of described triode VT3 is connected with the P pole of diode D4, and its emitter is connected with the DIS pin of control chip IC.When signal trigger circuit receive the enabling control signal that central processing unit sends relay K 1 electric, the normally opened contact K1-1 of relay K 1 closes, then enabling control circuit controls lifting motor and rises rolling screen door.
Described pass gate control circuit is by triode VT4, and diode D6, diode D7, electric capacity C4, resistance R8, resistance R9 and resistance R11 form.Described pass gate control circuit can the conducting when receiving the pass gate control signal that central processing unit sends, and lifting controllable motor cuts out rolling screen door.
During connection, the positive pole of described electric capacity C4 is connected with the base stage of triode VT3 after resistance R8, and its negative pole is connected with the collector of triode VT4.The P pole of described diode D6 is connected with the OUT pin of control chip IC, and its N pole is connected with the positive pole of electric capacity C4.The P pole of described diode D7 is connected with the emitter of triode VT4, and its N pole is connected with lifting motor after the normally opened contact K2-1 of relay K 2.Described resistance R9 is serially connected between the N pole of diode D7 and the positive pole of electric capacity C4, and described resistance R11 is serially connected between the P pole of diode D7 and the base stage of triode VT4.Meanwhile, the emitter of described triode VT4 is connected with the negative pole of electric capacity C3, and its base stage is connected with the negative pole of electric capacity C2 after relay K 2 through resistance R10 in turn; The GND pin ground connection of described control chip IC.When signal trigger circuit receive the pass gate control signal that central processing unit sends relay K 2 electric, the normally opened contact K2-1 of relay K 2 closes, then close gate control circuit and control lifting motor and close rolling screen door.
As shown in Figure 3, described pre-amplification circuit is by amplifier P1, and amplifier P2, triode VT5, diode D8, diode D9, diode D10, electric capacity C5, electric capacity C6, resistance R12, resistance R13, resistance R14, slide rheostat R15 and resistance R16 form.Described pre-amplification circuit can carry out amplification process to the signal of photoelectric sensor and infrared sensor collection, is convenient to A/D converter and carries out conversion process.
During connection, the N pole of described diode D8 is connected with the negative input end of amplifier P1, and its P pole is connected with the output terminal of amplifier P1 after resistance R12.The positive pole of described electric capacity C5 is connected with the negative input end of amplifier P2, its minus earth.The N pole of described diode D10 is connected with the P pole of diode D8 after resistance R13, and its P pole is connected with the emitter of triode VT5.The positive pole of described electric capacity C6 is connected with the output terminal of amplifier P2 after slide rheostat R15, and its negative pole is connected with the base stage of triode VT5.The P pole of described diode D9 is connected with the output terminal of amplifier P1, and its N pole is connected with the output terminal of amplifier P2.Described resistance R14 is serially connected between the output terminal of amplifier P2 and the positive pole of electric capacity C6.One end of described resistance R16 is connected with the base stage of triode VT5, and the positive pole of its other end and electric capacity C6 is connected with signal filtering circuit as pre-amplification circuit output terminal jointly.The base stage of described triode VT5 is connected with the control end of slide rheostat R15, and the positive input terminal of described amplifier P2 is connected with the output terminal of amplifier P1.The positive input terminal of described amplifier P1 is also connected with infrared sensor with photoelectric sensor respectively with the extremely common input end as pre-amplification circuit of the P of diode D8.
As shown in Figure 4, described signal filtering circuit by triode VT6, triode VT7, field effect transistor Q, inductance L, diode D11, diode D12, diode D13, diode D14, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C10, resistance R17, resistance R18, resistance R19, resistance R20 and resistance R21 form.Described signal filtering circuit can carry out filtration treatment to the signal of photoelectric sensor and infrared sensor collection, and the signal degree of accuracy after A/D converter can be made to change is higher.
During connection, the positive pole of described electric capacity C9 is connected with the base stage of triode VT6 after inductance L through resistance R17 in turn, and its negative pole is connected with the collector of triode VT7.The positive pole of described electric capacity C8 is connected with the emitter of triode VT6 after resistance R18, and its negative pole is connected with the source electrode of field effect transistor Q.The positive pole of described electric capacity C7 is connected with the collector of triode VT6 after resistance R19, its minus earth.The P pole of described diode D13 is connected with the positive pole of electric capacity C7, and its N pole is connected with the grid of field effect transistor Q.The N pole of described diode D11 is connected with the positive pole of electric capacity C7, and its P pole is connected with the emitter of triode VT7.The P pole of described diode D12 is connected with the positive pole of electric capacity C9, and its N pole is connected with the source electrode of field effect transistor Q after resistance R20.The P pole of described diode D14 is connected with the drain electrode of field effect transistor Q, and its N pole is connected with the collector of triode VT7 after resistance R21.The positive pole of described electric capacity C10 is connected with the collector of triode VT7, its minus earth.The P pole of described diode D12 is connected with the base stage of triode VT7, the positive pole of described electric capacity C7 is connected with the base stage of triode VT5 after resistance R16, the base stage of described triode VT6 is connected with the positive pole of electric capacity C6, and the collector of described triode VT7 jointly forms the output terminal of signal filtering circuit with base stage and is connected with A/D converter.
As mentioned above, just the present invention can be realized preferably.
Claims (6)
1. based on the rolling screen door automatic control system of enlarge leadingly formula signal filtering circuit, it is characterized in that: primarily of central processing unit, the A/D converter be all connected with central processing unit and control circuit, the signal filtering circuit be connected with A/D converter, the pre-amplification circuit be connected with signal filtering circuit, the photoelectric sensor be all connected with pre-amplification circuit and infrared sensor, and the lifting motor be connected with control circuit forms; Described control circuit by control chip IC, the signal trigger circuit that input end is connected with central processing unit, and the enabling control circuit that is all connected with lifting motor of output terminal and close gate control circuit and form; Described signal trigger circuit are all connected with control chip IC with enabling control circuit and pass gate control circuit.
2. the rolling screen door automatic control system based on enlarge leadingly formula signal filtering circuit according to claim 1, it is characterized in that: described pre-amplification circuit is by amplifier P1, amplifier P2, triode VT5, N pole is connected with the negative input end of amplifier P1, the diode D8 that P pole is connected with the output terminal of amplifier P1 after resistance R12, positive pole is connected with the negative input end of amplifier P2, the electric capacity C5 of minus earth, N pole is connected with the P pole of diode D8 after resistance R13, the diode D10 that P pole is connected with the emitter of triode VT5, positive pole is connected with the output terminal of amplifier P2 after slide rheostat R15, the electric capacity C6 that negative pole is connected with the base stage of triode VT5, P pole is connected with the output terminal of amplifier P1, the diode D9 that N pole is connected with the output terminal of amplifier P2, be serially connected in the resistance R14 between the output terminal of amplifier P2 and the positive pole of electric capacity C6, and one end is connected with the base stage of triode VT5, the resistance R16 that the other end is connected as pre-amplification circuit output terminal and with signal filtering circuit jointly with the positive pole of electric capacity C6 forms, the base stage of described triode VT5 is connected with the control end of slide rheostat R15, and the positive input terminal of described amplifier P2 is connected with the output terminal of amplifier P1, the positive input terminal of described amplifier P1 is also connected with infrared sensor with photoelectric sensor respectively with the extremely common input end as pre-amplification circuit of the P of diode D8.
3. the rolling screen door automatic control system based on enlarge leadingly formula signal filtering circuit according to claim 2, it is characterized in that: described signal filtering circuit is by triode VT6, triode VT7, field effect transistor Q, positive pole is connected with the base stage of triode VT6 after inductance L through resistance R17 in turn, the electric capacity C9 that negative pole is connected with the collector of triode VT7, positive pole is connected with the emitter of triode VT6 after resistance R18, the electric capacity C8 that negative pole is connected with the source electrode of field effect transistor Q, positive pole is connected with the collector of triode VT6 after resistance R19, the electric capacity C7 of minus earth, P pole is connected with the positive pole of electric capacity C7, the diode D13 that N pole is connected with the grid of field effect transistor Q, N pole is connected with the positive pole of electric capacity C7, the diode D11 that P pole is connected with the emitter of triode VT7, P pole is connected with the positive pole of electric capacity C9, the diode D12 that N pole is connected with the source electrode of field effect transistor Q after resistance R20, P pole is connected with the drain electrode of field effect transistor Q, the diode D14 that N pole is connected with the collector of triode VT7 after resistance R21, and positive pole is connected with the collector of triode VT7, the electric capacity C10 of minus earth forms, the P pole of described diode D12 is connected with the base stage of triode VT7, the positive pole of described electric capacity C7 is connected with the base stage of triode VT5 after resistance R16, the base stage of described triode VT6 is connected with the positive pole of electric capacity C6, and the collector of described triode VT7 jointly forms the output terminal of signal filtering circuit with base stage and is connected with A/D converter.
4. the rolling screen door automatic control system based on enlarge leadingly formula signal filtering circuit according to claim 3, it is characterized in that: described signal trigger circuit are by triode VT1, triode VT2, P pole is connected with the base stage of triode VT1 after resistance R1, the diode D2 that N pole is connected with the CONT pin of control chip IC, one end is connected with the base stage of triode VT1, the slide rheostat R2 that the other end is connected with the CONT pin of control chip IC, P pole is connected with the emitter of triode VT1, the diode D3 that N pole is connected with the THR pin of control chip IC, N pole is connected with the collector of triode VT1, the diode D1 that P pole is connected with the RES pin of control chip IC after resistance R3, positive pole is connected with the P pole of diode D1, the electric capacity C1 of minus earth, the base stage of one end and triode VT1 is jointly as the input end of signal trigger circuit, the resistance R5 that the other end is connected with the base stage of triode VT1, be serially connected in the resistance R4 between the base stage of triode VT1 and the collector of triode VT2, positive pole is connected with the base stage of triode VT2, the electric capacity C2 that negative pole is connected with the base stage of triode VT1, N pole is connected with the CONT pin of control chip IC after relay K 1, the diode D4 that P pole is connected with enabling control circuit, and one end is connected with the negative pole of electric capacity C2 after relay K 2, the resistance R10 that the other end is connected with pass gate control circuit forms, the emitter of described triode VT2 is connected with the CONT pin of control chip IC, and the emitter of described triode VT1 is connected with the sliding end of slide rheostat R2.
5. the rolling screen door automatic control system based on enlarge leadingly formula signal filtering circuit according to claim 4, it is characterized in that: described enabling control circuit is by triode VT3, the diode D5 that P pole is connected with the emitter of triode VT3 after resistance R7, N pole is connected with lifting motor after the normally opened contact K1-1 of relay K 1, the resistance R6 that one end is connected with the base stage of triode VT1, the other end is connected with the N pole of diode D5, and the electric capacity C3 that positive pole is connected with the P pole of diode D5, negative pole is connected with pass gate control circuit forms; The collector of described triode VT3 is connected with the P pole of diode D4, and its emitter is connected with the DIS pin of control chip IC.
6. the rolling screen door automatic control system based on enlarge leadingly formula signal filtering circuit according to claim 5, it is characterized in that: described pass gate control circuit is by triode VT4, positive pole is connected with the base stage of triode VT3 after resistance R8, the electric capacity C4 that negative pole is connected with the collector of triode VT4, P pole is connected with the OUT pin of control chip IC, the diode D6 that N pole is connected with the positive pole of electric capacity C4, P pole is connected with the emitter of triode VT4, the diode D7 that N pole is connected with lifting motor after the normally opened contact K2-1 of relay K 2, be serially connected in the resistance R9 between the N pole of diode D7 and the positive pole of electric capacity C4, and the resistance R11 be serially connected between the P pole of diode D7 and the base stage of triode VT4 forms, the emitter of described triode VT4 is connected with the negative pole of electric capacity C3, and its base stage is connected with the negative pole of electric capacity C2 after relay K 2 through resistance R10 in turn, the GND pin ground connection of described control chip IC.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510958290.5A CN105573202A (en) | 2015-12-19 | 2015-12-19 | Automatic control system used for roller shutter door and based on preposed amplification-type signal filtering circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510958290.5A CN105573202A (en) | 2015-12-19 | 2015-12-19 | Automatic control system used for roller shutter door and based on preposed amplification-type signal filtering circuit |
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| CN105573202A true CN105573202A (en) | 2016-05-11 |
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| CN201510958290.5A Pending CN105573202A (en) | 2015-12-19 | 2015-12-19 | Automatic control system used for roller shutter door and based on preposed amplification-type signal filtering circuit |
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| CN102400600A (en) * | 2011-11-30 | 2012-04-04 | 郑州新大陆智能科技有限公司 | Remote control electric rolling door alternating-current motor control circuit with automatic locking function |
| CN202874927U (en) * | 2012-05-29 | 2013-04-17 | 曹锐冠 | Light regulating device |
| EP2682825A2 (en) * | 2012-07-06 | 2014-01-08 | Delta Dore | Method and device for controlling at least one device for concealing at least one opening of a room in a building |
| CN204402331U (en) * | 2014-12-30 | 2015-06-17 | 齐齐哈尔大学 | SCM Based automatic curtain rolling device |
| CN204402239U (en) * | 2014-12-31 | 2015-06-17 | 江苏海事职业技术学院 | A kind of curtain Controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400600A (en) * | 2011-11-30 | 2012-04-04 | 郑州新大陆智能科技有限公司 | Remote control electric rolling door alternating-current motor control circuit with automatic locking function |
| CN202874927U (en) * | 2012-05-29 | 2013-04-17 | 曹锐冠 | Light regulating device |
| EP2682825A2 (en) * | 2012-07-06 | 2014-01-08 | Delta Dore | Method and device for controlling at least one device for concealing at least one opening of a room in a building |
| CN204402331U (en) * | 2014-12-30 | 2015-06-17 | 齐齐哈尔大学 | SCM Based automatic curtain rolling device |
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