CN105573203A - Signal filtering circuit-based intelligent control system for roller shutter door - Google Patents
Signal filtering circuit-based intelligent control system for roller shutter door Download PDFInfo
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- CN105573203A CN105573203A CN201510963674.6A CN201510963674A CN105573203A CN 105573203 A CN105573203 A CN 105573203A CN 201510963674 A CN201510963674 A CN 201510963674A CN 105573203 A CN105573203 A CN 105573203A
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Classifications
-
- 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
-
- 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
-
- 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 a signal filtering circuit-based intelligent control system for a roller shutter door. The intelligent control system is characterized in that the system mainly comprises a central processing unit, and an A/D converter, a door opening control circuit and a door closing control circuit which are connected with the central processing unit, a signal filtering circuit connected with the A/D converter, a photoelectric sensor and an infrared sensor which are connected with the signal filtering circuit, a door opening motor connected with the door opening control circuit, and a door closing motor connected with the door closing control circuit. The intelligent control system is simple in structure and low in cost, can also automatically open and close the door, and thus can ensure that the roller shutter door isolates products and production environment, and 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 intelligent control system based on 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 intelligent control system based on signal filtering circuit of rolling screen door can also be closed in time.
The present invention is achieved through the following technical solutions:
A kind of rolling screen door intelligent control system based on signal filtering circuit, primarily of central processing unit, the A/D converter be all connected with central processing unit, enabling control circuit and close gate control circuit, the signal filtering circuit be connected with A/D converter, the photoelectric sensor be all connected with signal filtering circuit and infrared sensor, the enabling motor be connected with enabling control circuit, and the motor of closing the door be connected with pass gate control circuit forms; Described enabling control circuit by control chip IC1, the enabling signal circuit that input end is connected with central processing unit, and the enabling circuit that output terminal is connected with enabling motor forms; Described pass gate control circuit by control chip IC2, what input end was connected with central processing unit close the door signal circuit, and the pass gate circuit that output terminal is connected with pass door motor forms.
Further, described signal filtering circuit is by triode VT3, triode VT4, field effect transistor Q, positive pole is connected with the base stage of triode VT3 after inductance L, the electric capacity C10 that negative pole is connected with the source electrode of field effect transistor Q, N pole is connected with the emitter of triode VT3 after resistance R13, P pole is connected with the emitter of triode VT4 diode D7, P pole is connected with the collector of triode VT3 after resistance R14, the diode D9 that N pole is connected with the grid of field effect transistor Q, positive pole is connected with the positive pole of electric capacity C10 after resistance R12, the electric capacity C9 that negative pole is connected with the emitter of triode VT4, P pole is connected with the positive pole of electric capacity C9, the diode D8 that N pole is connected with the source electrode of field effect transistor Q after resistance R15, and P pole is connected with the drain electrode of field effect transistor Q, the diode D10 that N pole is connected with the collector of triode VT4 after resistance R16 forms, the P pole of described diode D9 and the base stage of triode VT3 jointly form the input end of signal filtering circuit and are connected with infrared sensor with photoelectric sensor respectively, and the base stage of described triode VT4 jointly forms the output terminal of signal filtering circuit with collector and is connected with A/D converter.
Further, described enabling signal circuit is by triode VT1, be serially connected in the resistance R1 between the emitter of triode VT1 and the CONT pin of control chip IC1, be serially connected in the resistance R2 between the emitter of triode VT1 and the THR pin of control chip IC1, be serially connected in the resistance R3 between the collector of triode VT1 and the RES pin of control chip IC1, P pole is connected with the VOS pin of control chip IC1, the diode D1 that N pole is connected with the collector of triode VT1, positive pole is connected with the THR pin of control chip IC1, the electric capacity C2 that negative pole is connected with the VOS pin of control chip IC1, and positive pole is connected with the P pole of diode D1, the electric capacity C1 of minus earth forms, the base stage of described triode VT1 is as the input end of enabling signal circuit.
The diode D2 that described enabling circuit is connected with the CONT pin of control chip IC1 after electric capacity C3 by N pole, P pole is connected with the OUT pin of control chip IC1 after resistance R4, the diode D3 that P pole is connected with the DIS pin of control chip IC1, N pole is connected with the OUT pin of control chip IC1 after resistance R5, and positive pole is connected with the N pole of diode D3, the electric capacity C4 of minus earth forms; The GND pin ground connection of described control chip IC1, the N pole of described diode D3 is as the output terminal of enabling circuit.
Further, the described diode D4 that signal circuit is connected with the RES pin of control chip IC2 by P pole, N pole is connected with the THR pin of control chip IC2 after resistance R6 that closes the door, the resistance R7 that one end is connected with the P pole of diode D4, the other end is connected with the VOS pin of control chip IC2, positive pole is connected with the P pole of diode D4, the electric capacity C5 of minus earth, and the electric capacity C6 that positive pole is connected with the RES pin of control chip IC2, negative pole is connected with pass gate circuit after resistance R8 forms; The CONT pin of described control chip IC2 is connected with THR pin, and the N pole of described diode D4 is as the input end of signal circuit of closing the door.
In order to ensure effect, described pass gate circuit is by triode VT2, P pole is connected with the DIS pin of control chip IC2 after resistance R9, the diode D5 that N pole is connected with the collector of triode VT2 after resistance R11, P pole is connected with the emitter of triode VT2, the diode D6 that N pole is connected with the OUT pin of control chip IC2, be serially connected in the resistance R10 between the OUT pin of control chip IC2 and the N pole of diode D5, positive pole is connected with the P pole of diode D5, the electric capacity C7 that negative pole is connected with the base stage of triode VT2, and positive pole is connected with the collector of triode VT2, the electric capacity C8 of minus earth forms, the GND pin ground connection of described control chip IC2, the base stage of described triode VT2 is connected with the negative pole of electric capacity C6 after resistance R8, the N pole of described diode D5 is as the output terminal closing gate circuit.
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) enabling control circuit of the present invention controls the enabling of enabling motor, and close gate control circuit control close door motor close the door, make enabling and close the door independently to be controlled by two control system do not interfered with one another, thus automatic control switch door can be realized more accurately.
(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) enabling control circuit of the present invention is by control chip IC1, enabling signal circuit and enabling circuit composition, the enabling control signal that enabling signal circuit access central processing unit sends, by enabling control circui enabling motor action after control chip IC1 processes this control signal, thus realize automatic door opening.
(5) pass of the present invention gate control circuit is by control chip IC2, signal circuit of closing the door forms with pass gate circuit, the pass gate control signal that signal circuit of closing the door access central processing unit sends, to be closed the door motor action by control circui of closing the door after control chip IC2 processes this control signal, thus realize automatic door-closing.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention.
Fig. 2 is the electrical block diagram of enabling control circuit of the present invention.
Fig. 3 is the electrical block diagram of pass of the present invention gate control circuit.
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, intelligent control system of the present invention, primarily of central processing unit, the A/D converter be all connected with central processing unit, enabling control circuit and close gate control circuit, the signal filtering circuit be connected with A/D converter, the photoelectric sensor be all connected with signal filtering circuit and infrared sensor, the enabling motor be connected with enabling control circuit, and the motor of closing the door be connected with pass gate 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 enabling control circuit, enabling control circuit then controls enabling motor and rises rolling screen door, thus realizes the object of automatic door opening.
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 pass gate control circuit, close gate control circuit then to control to close door motor closedown rolling screen door, thus realize the object of automatic door-closing.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 to closing gate control circuit the control signal stopping closing the door, close gate control circuit then to control to close door motor stopping action, when closing to prevent rolling screen door, collide people or other objects of below.
By the setting of intelligent 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.Enabling control circuit is controlled enabling motor and closes gate control circuit to control to close that door motor two part is independent to be arranged by the present invention, enabling and the control of closing the door is not interfered with each other, thus can realize automatic control switch door more accurately.
During enforcement, described enabling control circuit by control chip IC1, the enabling signal circuit that input end is connected with central processing unit, and the enabling circuit that output terminal is connected with enabling motor forms, as shown in Figure 2.What described control chip IC1 adopted is NE555 integrated chip, and what described central processing unit adopted is SOP8 integrated chip.Concrete, described enabling signal circuit is by triode VT1, and diode D1, electric capacity C1, electric capacity C2, resistance R1, resistance R2 and resistance R3 form; The enabling control signal that described enabling signal circuit sends for accessing central processing unit.
During connection, described resistance R1 is serially connected between the emitter of triode VT1 and the CONT pin of control chip IC1, described resistance R2 is serially connected between the emitter of triode VT1 and the THR pin of control chip IC1, and described resistance R3 is serially connected between the collector of triode VT1 and the RES pin of control chip IC1.The P pole of described diode D1 is connected with the VOS pin of control chip IC1, and its N pole is connected with the collector of triode VT1.The positive pole of described electric capacity C2 is connected with the THR pin of control chip IC1, and its negative pole is connected with the VOS pin of control chip IC1.The positive pole of described electric capacity C1 is connected with the P pole of diode D1, its minus earth.The base stage of described triode VT1 is as the input end of enabling signal circuit.
Described enabling circuit is by diode D2, and diode D3, electric capacity C3, electric capacity C4, resistance R4 and resistance R5 form.The enabling control signal that described enabling signal circuit access central processing unit sends, by enabling control circui enabling motor action after control chip IC1 processes this control signal, thus realizes automatic door opening.
During connection, the N pole of described diode D2 is connected with the CONT pin of control chip IC1 after electric capacity C3, and its P pole is connected with the OUT pin of control chip IC1 after resistance R4.The P pole of described diode D3 is connected with the DIS pin of control chip IC1, and its N pole is connected with the OUT pin of control chip IC1 after resistance R5.The positive pole of described electric capacity C4 is connected with the N pole of diode D3, its minus earth.The GND pin ground connection of described control chip IC1, the N pole of described diode D3 is as the output terminal of enabling circuit.
As shown in Figure 3, described pass gate control circuit is by control chip IC2, what input end was connected with central processing unit close the door signal circuit, and the pass gate circuit that output terminal is connected with pass door motor forms, what the control chip IC2 in the present embodiment also adopted is NE555 integrated chip.Concrete, described in close the door signal circuit by diode D4, electric capacity C5, electric capacity C6, resistance R6, resistance R7 and resistance R8 forms; The pass gate control signal that described signal circuit of closing the door sends for accessing central processing unit.
During connection, the P pole of described diode D4 is connected with the RES pin of control chip IC2, and its N pole is connected with the THR pin of control chip IC2 after resistance R6.One end of described resistance R7 is connected with the P pole of diode D4, and its other end is connected with the VOS pin of control chip IC2.The positive pole of described electric capacity C5 is connected with the P pole of diode D4, its minus earth.The positive pole of described electric capacity C6 is connected with the RES pin of control chip IC2, and its negative pole is connected with pass gate circuit after resistance R8.The CONT pin of described control chip IC2 is connected with THR pin, and the N pole of described diode D4 is as the input end of signal circuit of closing the door.Wherein, the N pole of described diode D4 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 pass gate circuit is by triode VT2, and diode D5, diode D6, electric capacity C7, electric capacity C8, resistance R9, resistance R10 and resistance R11 form.The described pass gate control signal that sends of signal circuit access central processing unit of closing the door, to be closed the door motor action by control circui of closing the door after control chip IC2 processes this control signal, thus realizes automatic door-closing.
During connection, the P pole of described diode D5 is connected with the DIS pin of control chip IC2 after resistance R9, and its N pole is connected with the collector of triode VT2 after resistance R11.The P pole of described diode D6 is connected with the emitter of triode VT2, and its N pole is connected with the OUT pin of control chip IC2.Described resistance R10 is serially connected between the OUT pin of control chip IC2 and the N pole of diode D5.The positive pole of described electric capacity C7 is connected with the P pole of diode D5, and its negative pole is connected with the base stage of triode VT2.The positive pole of described electric capacity C8 is connected with the collector of triode VT2, its minus earth.The GND pin ground connection of described control chip IC2, the base stage of described triode VT2 is connected with the negative pole of electric capacity C6 after resistance R8; The N pole of described diode D5 is as the output terminal closing gate circuit.
As shown in Figure 4, described signal filtering circuit by triode VT5, triode VT6, field effect transistor Q, inductance L, diode D7, diode D8, diode D9, diode D10, electric capacity C9, electric capacity C10, resistance R12, resistance R13, resistance R14, resistance R15 and resistance R16 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 C10 is connected with the base stage of triode VT3 after inductance L, and its negative pole is connected with the source electrode of field effect transistor Q.The N pole of described diode D7 is connected with the emitter of triode VT3 after resistance R13, and its P pole is connected with the emitter of triode VT4.The P pole of described diode D9 is connected with the collector of triode VT3 after resistance R14, and its N pole is connected with the grid of field effect transistor Q.The positive pole of described electric capacity C9 is connected with the positive pole of electric capacity C10 after resistance R12, and its negative pole is connected with the emitter of triode VT4.The P pole of described diode D8 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 R15.The P pole of described diode D10 is connected with the drain electrode of field effect transistor Q, and its N pole is connected with the collector of triode VT4 after resistance R16.The P pole of described diode D9 and the base stage of triode VT3 jointly form the input end of signal filtering circuit and are connected with infrared sensor with photoelectric sensor respectively, and the base stage of described triode VT4 jointly forms the output terminal of signal filtering circuit with collector and is connected with A/D converter.
As mentioned above, just the present invention can be realized preferably.
Claims (6)
1. the rolling screen door intelligent control system based on signal filtering circuit, it is characterized in that: primarily of central processing unit, the A/D converter be all connected with central processing unit, enabling control circuit and close gate control circuit, the signal filtering circuit be connected with A/D converter, the photoelectric sensor be all connected with signal filtering circuit and infrared sensor, the enabling motor be connected with enabling control circuit, and the motor of closing the door be connected with pass gate control circuit forms; Described enabling control circuit by control chip IC1, the enabling signal circuit that input end is connected with central processing unit, and the enabling circuit that output terminal is connected with enabling motor forms; Described pass gate control circuit by control chip IC2, what input end was connected with central processing unit close the door signal circuit, and the pass gate circuit that output terminal is connected with pass door motor forms.
2. a kind of rolling screen door intelligent control system based on signal filtering circuit according to claim 1, it is characterized in that: described signal filtering circuit is by triode VT3, triode VT4, field effect transistor Q, positive pole is connected with the base stage of triode VT3 after inductance L, the electric capacity C10 that negative pole is connected with the source electrode of field effect transistor Q, N pole is connected with the emitter of triode VT3 after resistance R13, P pole is connected with the emitter of triode VT4 diode D7, P pole is connected with the collector of triode VT3 after resistance R14, the diode D9 that N pole is connected with the grid of field effect transistor Q, positive pole is connected with the positive pole of electric capacity C10 after resistance R12, the electric capacity C9 that negative pole is connected with the emitter of triode VT4, P pole is connected with the positive pole of electric capacity C9, the diode D8 that N pole is connected with the source electrode of field effect transistor Q after resistance R15, and P pole is connected with the drain electrode of field effect transistor Q, the diode D10 that N pole is connected with the collector of triode VT4 after resistance R16 forms, the P pole of described diode D9 and the base stage of triode VT3 jointly form the input end of signal filtering circuit and are connected with infrared sensor with photoelectric sensor respectively, and the base stage of described triode VT4 jointly forms the output terminal of signal filtering circuit with collector and is connected with A/D converter.
3. a kind of rolling screen door intelligent control system based on signal filtering circuit according to claim 2, it is characterized in that: described enabling signal circuit is by triode VT1, be serially connected in the resistance R1 between the emitter of triode VT1 and the CONT pin of control chip IC1, be serially connected in the resistance R2 between the emitter of triode VT1 and the THR pin of control chip IC1, be serially connected in the resistance R3 between the collector of triode VT1 and the RES pin of control chip IC1, P pole is connected with the VOS pin of control chip IC1, the diode D1 that N pole is connected with the collector of triode VT1, positive pole is connected with the THR pin of control chip IC1, the electric capacity C2 that negative pole is connected with the VOS pin of control chip IC1, and positive pole is connected with the P pole of diode D1, the electric capacity C1 of minus earth forms, the base stage of described triode VT1 is as the input end of enabling signal circuit.
4. a kind of rolling screen door intelligent control system based on signal filtering circuit according to claim 3, it is characterized in that: the diode D2 that described enabling circuit is connected with the CONT pin of control chip IC1 after electric capacity C3 by N pole, P pole is connected with the OUT pin of control chip IC1 after resistance R4, the diode D3 that P pole is connected with the DIS pin of control chip IC1, N pole is connected with the OUT pin of control chip IC1 after resistance R5, and positive pole is connected with the N pole of diode D3, the electric capacity C4 of minus earth forms; The GND pin ground connection of described control chip IC1, the N pole of described diode D3 is as the output terminal of enabling circuit.
5. a kind of rolling screen door intelligent control system based on signal filtering circuit according to claim 4, it is characterized in that: described in signal circuit of closing the door be connected with the RES pin of control chip IC2 by P pole, the diode D4 that N pole is connected with the THR pin of control chip IC2 after resistance R6, one end is connected with the P pole of diode D4, the resistance R7 that the other end is connected with the VOS pin of control chip IC2, positive pole is connected with the P pole of diode D4, the electric capacity C5 of minus earth, and positive pole is connected with the RES pin of control chip IC2, the electric capacity C6 that negative pole is connected with pass gate circuit after resistance R8 forms, the CONT pin of described control chip IC2 is connected with THR pin, and the N pole of described diode D4 is as the input end of signal circuit of closing the door.
6. a kind of rolling screen door intelligent control system based on signal filtering circuit according to claim 5, it is characterized in that: described pass gate circuit is by triode VT2, P pole is connected with the DIS pin of control chip IC2 after resistance R9, the diode D5 that N pole is connected with the collector of triode VT2 after resistance R11, P pole is connected with the emitter of triode VT2, the diode D6 that N pole is connected with the OUT pin of control chip IC2, be serially connected in the resistance R10 between the OUT pin of control chip IC2 and the N pole of diode D5, positive pole is connected with the P pole of diode D5, the electric capacity C7 that negative pole is connected with the base stage of triode VT2, and positive pole is connected with the collector of triode VT2, the electric capacity C8 of minus earth forms, the GND pin ground connection of described control chip IC2, the base stage of described triode VT2 is connected with the negative pole of electric capacity C6 after resistance R8, the N pole of described diode D5 is as the output terminal closing gate circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510963674.6A CN105573203A (en) | 2015-12-19 | 2015-12-19 | Signal filtering circuit-based intelligent control system for roller shutter door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510963674.6A CN105573203A (en) | 2015-12-19 | 2015-12-19 | Signal filtering circuit-based intelligent control system for roller shutter door |
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| CN105573203A true CN105573203A (en) | 2016-05-11 |
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| CN201510963674.6A Pending CN105573203A (en) | 2015-12-19 | 2015-12-19 | Signal filtering circuit-based intelligent control system for roller shutter door |
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Citations (6)
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| EP0902158B1 (en) * | 1997-09-09 | 2003-02-12 | Efaflex Transport- Und Lagertechnik Gmbh | Safety device for power driven devices |
| CN2641688Y (en) * | 2003-09-05 | 2004-09-15 | 天津市研翔电子科技有限公司 | Digital position-limiting type automatic door controller |
| CN2797579Y (en) * | 2005-04-19 | 2006-07-19 | 张金娥 | Controllable radiation-prrof door for medical use |
| CN1961131A (en) * | 2004-04-09 | 2007-05-09 | Somfy两合公司 | Operating method for a powered roller shutter, and device for implementing same |
| CN103197354A (en) * | 2013-03-22 | 2013-07-10 | 黄程云 | Digital passive infrared static human body detector and detection method thereof |
| CN204402331U (en) * | 2014-12-30 | 2015-06-17 | 齐齐哈尔大学 | SCM Based automatic curtain rolling device |
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2015
- 2015-12-19 CN CN201510963674.6A patent/CN105573203A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0902158B1 (en) * | 1997-09-09 | 2003-02-12 | Efaflex Transport- Und Lagertechnik Gmbh | Safety device for power driven devices |
| CN2641688Y (en) * | 2003-09-05 | 2004-09-15 | 天津市研翔电子科技有限公司 | Digital position-limiting type automatic door controller |
| CN1961131A (en) * | 2004-04-09 | 2007-05-09 | Somfy两合公司 | Operating method for a powered roller shutter, and device for implementing same |
| CN2797579Y (en) * | 2005-04-19 | 2006-07-19 | 张金娥 | Controllable radiation-prrof door for medical use |
| CN103197354A (en) * | 2013-03-22 | 2013-07-10 | 黄程云 | Digital passive infrared static human body detector and detection method thereof |
| CN204402331U (en) * | 2014-12-30 | 2015-06-17 | 齐齐哈尔大学 | SCM Based automatic curtain rolling device |
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