CN103181848B - Dental multipurpose therapy unit spittoon automatic avoiding device - Google Patents
Dental multipurpose therapy unit spittoon automatic avoiding device Download PDFInfo
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- CN103181848B CN103181848B CN201110462857.1A CN201110462857A CN103181848B CN 103181848 B CN103181848 B CN 103181848B CN 201110462857 A CN201110462857 A CN 201110462857A CN 103181848 B CN103181848 B CN 103181848B
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Abstract
The present invention relates to a kind of dental multipurpose therapy unit spittoon automatic avoiding device, belong to electronic products manufacturing technology field.Its technical characteristics dodges an inductive switch by chair position inductive switch, spittoon, an inductive switch of spitting, connecting circuit, power circuit, control circuit power supply, MCU control circuit, circuit for controlling motor and spittoon motor form, and connected by line electricity each other, can detect dental chair position and control spittoon and automatically dodge.Circuit structure of the present invention is simple, and cheap for manufacturing cost, automaticity is high, can be mutual the interference occur when dental multipurpose therapy unit spittoon rises with dental chair to provide a kind of safe and reliable, practical avoiding device.
Description
One, technical field
The present invention relates to a kind of control device of dental multipurpose therapy unit spittoon, particularly relate to a kind of dental multipurpose therapy unit spittoon automatic avoiding device, make dental chair in uphill process, prevent dental chair and spittoon from interfering, a kind of device controlled is dodged automatically to the detection of dental chair position and spittoon, belongs to electronic products manufacturing technology field in medical apparatus and instruments.
Two, background technology
When the dental chair multipurpose therapy unit produced both at home and abroad at present rises to dental chair, whether spittoon dodges is all carry out Non-follow control by operator's range estimation, there is certain potential safety hazard, and inconvenient operation, is unfavorable for that medical personnel implement.
Three, summary of the invention
The object of the invention is to solve existing dental multipurpose therapy unit when dental chair rises, the problems such as spittoon unprotect measure, its method is after dental chair rises to certain position, and spittoon is automatically rotated to home.Thus for preventing dental chair from bumping against spittoon for a kind of new technical scheme.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of dental multipurpose therapy unit spittoon automatic avoiding device, it includes chair position inductive switch, an inductive switch dodged by spittoon, an inductive switch of spitting, connecting circuit, power circuit, control circuit power supply, MCU control circuit, circuit for controlling motor and spittoon motor, and be electrically connected by circuit, adopt limit switch that the signal whether spittoon dodges is transmitted in MCU control circuit by circuit; Wherein power circuit power input part divides the external AC power supply AC24V of use to be introduced by J2 plug-in unit, exports DC source 37V after rectification, is responsible for being supplied to control circuit power supply and circuit for controlling motor; Connecting circuit is made up of three groups of photoelectric coupled circuit; Chair position inductive switch, spittoon dodge an inductive switch, the position signalling of spittoon and chair position is converted to electric signal by connecting circuit by JP3 plug-in unit and transmits and be connected with the input port of MCU control circuit by an inductive switch of spitting, MCU control circuit carries out Discern and judge according to the signal received, and be that control instruction exports by the results conversion of Discern and judge, and then control the rotation of spittoon motor;
Power isolation circuit is provided with between power circuit and control circuit power supply;
First optocoupler of connecting circuit, the second optocoupler, the 3rd optocoupler are arranged on chair position inductive switch, an inductive switch dodged by spittoon, spit between inductive switch and MCU control circuit;
MCU control circuit adopts high-performance 32-bit digital signal processor TMS320F2801, it carries the generation unit EPWM1 of enhancement mode pulse width modulating signal PWM1, PWM1 signal is coupled to 1 foot of MOSFET pipe Q4 by the GPIO0 pin of TMS320F2801, this signal is supplied to 1 foot of MOSFET pipe Q3 by 2 feet of MOSFET pipe Q4 by optocoupler U6,2 feet of MOSFET pipe Q3 are supplied to spittoon motor drive power supply.
Dental chair spittoon when rising, the need of automatically dodging, is dodged an inductive switch by chair position inductive switch and spittoon, an inductive switch of spitting is detected decision jointly.
MCU control circuit adopts the TMS320F2801 of the TMS320F28X family that cost performance is high, CPU, the RAM of computer, ROM, timer conter and multiple I/O Interface integration are on this part chip, form the computer of chip-scale, well can meet the demand of the real-time operations such as various control algolithm, signal processing algorithm.
The present invention is compared with prior art advantageously: circuit structure is simple, cheap for manufacturing cost, can be dental multipurpose therapy unit and provides a kind of safe, practical, simple to operate, spittoon avoiding device that automatization is high.
Four, accompanying drawing explanation
Accompanying drawing 1 is the schematic block circuit diagram of dental multipurpose therapy unit spittoon automatic avoiding device of the present invention;
Accompanying drawing 2 is electrical schematic diagrams of power circuit (8) in accompanying drawing 1 of the present invention;
Accompanying drawing 3 is electrical schematic diagrams of control circuit power supply (9) in accompanying drawing 1 of the present invention;
Accompanying drawing 4 is electrical schematic diagrams of circuit for controlling motor (11) in accompanying drawing 1 of the present invention;
Accompanying drawing 5 is electrical schematic diagrams of connecting circuit (4) in accompanying drawing 1 of the present invention;
Accompanying drawing 6 is electrical schematic diagrams of MCU control circuit (10) in accompanying drawing 1 of the present invention.
Five, detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail:
A kind of dental multipurpose therapy unit spittoon automatic avoiding device, it dodges an inductive switch 2 by chair position inductive switch 1, spittoon, an inductive switch 3 of spitting, connecting circuit 4, power circuit 8, control circuit power supply 9, MCU control circuit 10, circuit for controlling motor 11, spittoon motor 12 form.An inductive switch 2 dodged by chair position inductive switch 1, spittoon, an inductive switch 3 of spitting adopts the break combination of the state of closing of these three limit switches to judge the relative position of spittoon and dental chair, wherein chair position inductive switch 1 is arranged on dental chair lower encioser column, and spittoon is dodged an inductive switch 2 and is arranged in the spittoon seat of therapy apparatus casing with an inductive switch 3 of spitting.
Power circuit 8 introduces alternating current power supply 24V by J2 plug-in unit, exports DC source 37V after rectification, is supplied to control circuit power supply 9 and circuit for controlling motor 11 respectively.
Connecting circuit 4 is made up of the first optocoupler 5, second optocoupler 6, the 3rd optocoupler 7: select three Toshiba TLP521 optocouplers, and it has, and volume is little, the life-span is long, contactless, and capacity of resisting disturbance is strong, exports insulation between input, the advantages such as one-way transmission signal.
MCU control circuit 10: use the digital signal processor TMS320F2801PZA-60 that integrated level is high; it starts spittoon motor 12 slowly with PWM mode; not only can avoid running up suddenly; to increase the service life; protection motor; and the energy can be made to be used in suitable place, avoid wasting electric power, reduce unnecessary energy loss.
Accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, accompanying drawing 6 are the ingredient on dental multipurpose therapy unit spittoon automatic avoiding device of the present invention, and this control device functions is as follows:
Power circuit 8: as shown in Figure 2, J2 plug-in unit access AC24V power supply, after the current rectifying and wave filtering circuit of C59, power-supply filter L8, C60, C62, rectifier bridge stack BRIDGE2, C67 composition, be converted to DC source+37V, be supplied to control circuit power supply 9 and circuit for controlling motor 11.
Control circuit power supply 9: as shown in Figure 3, the change-over circuit that+37V power supply forms through U5 switch buck manostat LM2576HVS-ADJ, R46, R51, D6, L6, C57, C58 is converted to VDD33 power supply, can work for MCU control circuit 10.The spike signal that may occur in magnetic bead L2, L3 filtering circuit.
Connecting circuit 4: as shown in Figure 5, mainly comprise U7, U8, U9 tri-optocoupler TLP521, an inductive switch 2 dodged by chair position inductive switch 1, spittoon, an inductive switch 3 of spitting by Signal transmissions YWG-O, TBG-O, TWG-O in the first optocoupler 5, second optocoupler 6, the 3rd optocoupler 7, is transmitted in GPIO19, GPIO20, GPIO21 pin of MCU control circuit 10 by plug-in unit JP3 after optocoupler controls by 4 feet.
MCU control circuit 10: as shown in Figure 6, control signal PWM1 is coupled to 1 foot of MOSFET pipe Q4 by the GPIO0 pin of MCU, this signal is supplied to 1 foot of MOSFET pipe Q3 by 2 feet of MOSFET pipe Q4 by optocoupler U6,2 feet of MOSFET pipe Q3 are supplied to spittoon motor 12, control spittoon and rotate.
Circuit for controlling motor 11: as shown in Figure 4, after feedback signal EMF, the M_VOL etc. of spittoon motor 12 four groups of discharge circuit process via operational amplifier MCP6004T-I/ST, electric capacity, resistance composition, by ADCINAO, ADCINA1, ADCINA2, ADCINA3 tetra-pins inputs of MCU.
The TMS320F2801 digital signal processor that MCU control circuit 10 adopts Texas Instrument to produce, it is the one in TMS320F28x series, not only the speed of service is high, also carries enhancement mode capturing unit (ECAP), the generation unit EPWM of enhancement mode PWM, 12 16 passage fast A/D C unit and other some communication modules as SCI, SPI, CAN etc.
Dental chair is in uphill process, and there are three kinds of situations the position of spittoon, the first situation: when spittoon be in spit time, be now in the position of Relative vertical with dental chair handrail bottom spittoon, an inductive switch 3 of spitting closes, and spittoon is dodged an inductive switch 2 and disconnected; The second situation: when spittoon be in spittoon to dodge time, be now in opposing parallel position with dental chair handrail bottom spittoon, an inductive switch 3 of spitting disconnects, and spittoon is dodged an inductive switch 2 and closed; The third situation: when spittoon be in spit position and spittoon dodge any position between position time, an inductive switch 3 of now spitting disconnects, and spittoon is dodged an inductive switch 2 and disconnected.When dental chair rises to relative to bottom spittoon during 100cm, chair position inductive switch 1 closes, if when now spittoon position is in the first and the third situation, the opening and closing signal of these three inductive switches respectively by plug-in unit JP3 through the first optocoupler 5, second optocoupler 6, 3rd optocoupler 7 transfers to MCU control circuit 10, PWM1 is produced after TMS320F2801 chip processor controls, PWM1 signal is coupled to 1 foot of MOSFET pipe Q4 by the GPIO0 pin of TMS320F2801 chip, this signal is supplied to 1 foot of MOSFET pipe Q3 by 2 feet of MOSFET pipe Q4 by the 6th pin of optocoupler U6, 2 feet of MOSFET pipe Q3 are supplied to spittoon motor 12, at this moment spittoon motor 12 drives spittoon to rotate, until turn to spittoon position when being in the second situation, spittoon is dodged an inductive switch 2 and is closed, spittoon stops operating, reach the object that spittoon is dodged automatically.
Claims (2)
1. dental multipurpose therapy unit spittoon automatic avoiding device, it is characterized in that it includes chair position inductive switch (1), an inductive switch (2) dodged by spittoon, an inductive switch (3) of spitting, connecting circuit (4), power circuit (8), control circuit power supply (9), MCU control circuit (10), circuit for controlling motor (11) and spittoon motor (12), and be electrically connected by circuit, the signal adopting limit switch whether to be dodged by spittoon is transmitted in MCU control circuit (10) by circuit; Wherein power circuit (8) power input part divides the external AC power supply AC24V of use to be introduced by J2 plug-in unit, exports DC source 37V after rectification, is responsible for being supplied to control circuit power supply (9) and circuit for controlling motor (11); Connecting circuit (4) is made up of three groups of photoelectric coupled circuit; Chair position inductive switch (1), spittoon dodge an inductive switch (2), the position signalling of spittoon and chair position is converted to electric signal by connecting circuit (4) by JP3 plug-in unit and transmits and be connected with the input port of MCU control circuit (10) by an inductive switch (3) of spitting, MCU control circuit (10) carries out Discern and judge according to the signal received, and be that control instruction exports by the results conversion of Discern and judge, and then control the rotation of spittoon motor (12);
Power isolation circuit is provided with between power circuit (8) and control circuit power supply (9);
First optocoupler (5) of connecting circuit (4), the second optocoupler (6), the 3rd optocoupler (7) are arranged on chair position inductive switch (1), an inductive switch (2) dodged by spittoon, spit between an inductive switch (3) and MCU control circuit (10);
MCU control circuit (10) adopts high-performance 32-bit digital signal processor TMS320F2801, it carries the generation unit EPWM1 of enhancement mode pulse width modulating signal PWM1, PWM1 signal is coupled to 1 foot of MOSFET pipe Q4 by the GPIO0 pin of TMS320F2801, this signal is supplied to 1 foot of MOSFET pipe Q3 by 2 feet of MOSFET pipe Q4 by optocoupler U6,2 feet of MOSFET pipe Q3 are supplied to spittoon motor (12) driving power.
2. dental multipurpose therapy unit spittoon automatic avoiding device according to claim 1, it is characterized in that dental chair spittoon when rising, the need of automatically dodging, is dodged an inductive switch (2) by chair position inductive switch (1) and spittoon, an inductive switch (3) of spitting jointly detected and determine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110462857.1A CN103181848B (en) | 2011-12-31 | 2011-12-31 | Dental multipurpose therapy unit spittoon automatic avoiding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110462857.1A CN103181848B (en) | 2011-12-31 | 2011-12-31 | Dental multipurpose therapy unit spittoon automatic avoiding device |
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| Publication Number | Publication Date |
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| CN103181848A CN103181848A (en) | 2013-07-03 |
| CN103181848B true CN103181848B (en) | 2015-12-16 |
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| CN201110462857.1A Active CN103181848B (en) | 2011-12-31 | 2011-12-31 | Dental multipurpose therapy unit spittoon automatic avoiding device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948445A (en) * | 2014-01-23 | 2014-07-30 | 咸阳西北医疗器械(集团)有限公司 | Novel oral comprehensive treatment equipment |
| CN105125368A (en) * | 2015-09-05 | 2015-12-09 | 刘洋 | Dental comprehensive therapy machine with voice recognition function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4249900A (en) * | 1978-11-22 | 1981-02-10 | Hoelzer E Clyde | Dental console |
| CN2629666Y (en) * | 2003-06-13 | 2004-08-04 | 郑州天杰电子有限公司 | Spittoon-position adjusting device for dental therapeutic machine |
| CN201384588Y (en) * | 2009-04-17 | 2010-01-20 | 黄立权 | Saliva tray independently-mobile type oral cavity comprehensive treatment machine |
| CN202446439U (en) * | 2011-12-31 | 2012-09-26 | 咸阳西北医疗器械(集团)有限公司 | Dental unit spittoon automatic avoiding device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006122383A (en) * | 2004-10-29 | 2006-05-18 | Takara Belmont Co Ltd | Operation state display device of dental treatment apparatus |
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- 2011-12-31 CN CN201110462857.1A patent/CN103181848B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4249900A (en) * | 1978-11-22 | 1981-02-10 | Hoelzer E Clyde | Dental console |
| CN2629666Y (en) * | 2003-06-13 | 2004-08-04 | 郑州天杰电子有限公司 | Spittoon-position adjusting device for dental therapeutic machine |
| CN201384588Y (en) * | 2009-04-17 | 2010-01-20 | 黄立权 | Saliva tray independently-mobile type oral cavity comprehensive treatment machine |
| CN202446439U (en) * | 2011-12-31 | 2012-09-26 | 咸阳西北医疗器械(集团)有限公司 | Dental unit spittoon automatic avoiding device |
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| CN103181848A (en) | 2013-07-03 |
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Address after: Xianyang City, Shaanxi Province, completed 712000 Yuan Road No. 3 Patentee after: Masino Medical Equipment Group Co Ltd Address before: 712000 Shaanxi Province, Xianyang City, the original road, No. 3 Patentee before: Xianyang Northwest Medical Instrument (Group) Co., Ltd. |
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Address after: 712000 Xianyang province Shaanxi City Weicheng District Bi Yuan Road No. 3 Patentee after: Masino Medical Equipment Group Co Ltd Address before: Xianyang City Bi Yuan Road No. 3 Patentee before: Masino Medical Equipment Group Co Ltd |