CN203909319U - Control circuit for dustbin with automatic-opening cover through infrared induction - Google Patents
Control circuit for dustbin with automatic-opening cover through infrared induction Download PDFInfo
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- CN203909319U CN203909319U CN201420319139.8U CN201420319139U CN203909319U CN 203909319 U CN203909319 U CN 203909319U CN 201420319139 U CN201420319139 U CN 201420319139U CN 203909319 U CN203909319 U CN 203909319U
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Abstract
The utility model discloses a control circuit for a dustbin with an automatic-opening cover through infrared induction, and relates to the field of infrared induction control. The circuit employs an infrared light transceiver to generate electric signals which enter into a D trigger after subjected to amplification, filtering and other pretreatment, and the D trigger generates corresponding high/low level for output according to high/low level of the incoming signal, and the high/low level is sent to a motor-driven chip to drive the motor to rotate clockwise and counterclockwise. Finally, the motor drives a mechanical switch to automatically open and close the dustbin. The circuit is simple in structure, flexible in control, excellent in stability, low in cost, promising in market prospect and worthy of promotion.
Description
Technical field
The utility model belongs to infrared induction control field, is specifically related to a kind of infrared induction control circuit for automatic cap turning open refuse receptacle.
Background technology
In daily life, can produce many house refuses, therefore dustbin is requisite in life, at present, be no matter the public arena such as school, company or the dustbin in oneself kitchen be mostly uncovered or have a lid, and the dustbin of uncovered easily gives out sharp aroma, contaminated environment; And the dustbin that has lid needs manually or foot-propelled is opened, having thrown away also needs manually after rubbish or foot-propelled is closed, and uses inadequate hygienic and convenient.On market, there is in the last few years the control circuit of some infrared-sensing type automatic cap-opening dustbins, as " a kind of controller of ultra-low power consumption infrared sensor trash bin " of Shen Haiqiao proposition, this controller comprises single-chip microcomputer, the compositions such as infrared radiation receiving circuit, one-level amplifying circuit, second amplifying circuit, waveform shaping circuit, waveform negative circuit, receiving circuit power supply, waveform negative circuit output terminal is connected with single-chip microcomputer, and an output terminal of single-chip microcomputer connects motor.The control circuit of comprehensive domestic and international existing infrared induction automatic cap-opening dustbin, the shortcoming of its existence is summarized as follows: (1) circuit structure complexity.Kernel control chip all adopts microcontroller (as single-chip microcomputer), although can programme but the control of digital logic pulse signal is not had to advantage, and in fact the control procedure of automatic cap-opening dustbin only needs to export some simple logic pulse signals.Use microcontroller is added waveform shaping circuit, waveform negative circuit produces the logic control signal needing and causes complex circuit designs, and system development cycle is longer.(2) circuit reliability is poor.Existing infrared induction dustbin circuit adopts discrete electronic devices and components designs more, and integrated level is not high, thereby circuit is easily subject to external interference when work, poor stability, thereby be difficult to be widely used and popularize.
Summary of the invention
There is circuit control complexity for existing sensing type garbage bin, poor reliability, the above deficiency of the prior art of the limited grade of use occasion, the purpose of this utility model is to provide a kind of infrared induction control circuit for automatic cap turning open refuse receptacle.For achieving the above object, the technical solution of the utility model is: a kind of dustbin control circuit of infrared induction automatic cover-turning, and it comprises: d type flip flop, infrared light emission receiving circuit; Signal pre-processing circuit, shift knob, power supply, pilot lamp, motor-drive circuit and motor; Described signal pre-processing circuit comprises amplifying circuit and filtering circuit; Described infrared light emission receiving circuit is connected with amplifying circuit, described amplifying circuit is connected with filtering circuit, described filtering circuit is connected with the 1D port of d type flip flop, and the 1Q port of described d type flip flop is connected with described motor-drive circuit, and described motor-drive circuit is connected with motor; The VCC pin of described d type flip flop is connected with power supply; Between described power supply and d type flip flop, be also connected with shift knob and pilot lamp.
Further, described motor-drive circuit is selected integrated chip TA7257P, the output port 1 of described d type flip flop
with 1
be connected with No. 2 pins with No. 1 pin of chip TA7257P respectively, between No. 3 pins of described chip TA7257P and No. 5 pins, be connected with capacitor C and resistance R, capacitor C is in parallel with motor M again after connecting with resistance R, No. 4 pin ground connection of described chip TA7257P, No. 7 pins of described chip TA7257P connect power supply VCC, after No. 7 pins of described chip TA7257P are connected with No. 6 pins, pass through capacity earth.
Further, described d type flip flop adopts 74LS74 chip.
advantage of the present utility model and beneficial effect are as follows:
1, acp chip adopts d type flip flop.This device can be by rising edge clock triggering for generating high level output in the time of pre-process circuit input high level signal, in the time of pre-process circuit input low level signal by rising edge clock triggering for generating low level output.This trigger can effectively replace single-chip microcomputer, waveform shaping circuit and the waveform negative circuit in traditional infrared induction control circuit for automatic cap turning open refuse receptacle.
2, between infrared light emission receiving circuit and d type flip flop, add signal pre-processing circuit, the infrared signal receiving is carried out after amplification filtering processing, then send into d type flip flop, the antijamming capability of circuit is stronger.
3, motor-drive circuit adopts integrated chip TA7257P.Compared with discrete component, reduce circuit design difficulty, shortened the construction cycle, and driving circuit is integrated in chip internal, the extra interference that can effectively avoid signal to introduce in long Distance Transmission process, stability is good.
brief description of the drawings
Fig. 1 is the infrared induction control circuit for automatic cap turning open refuse receptacle theory diagram the utility model proposes;
Fig. 2 is motor-drive circuit block diagram;
Fig. 3 is the utility model circuit working FB(flow block).
Embodiment
The embodiment that provides an indefiniteness below in conjunction with accompanying drawing is further elaborated the utility model.
Shown in Fig. 1, a kind of infrared induction automatic cap-opening dustbin circuit, comprises d type flip flop 1(74LS74); Infrared light emission receiving circuit 2(CNY70); Signal pre-processing circuit 3; Amplifying circuit 31 (SGM358); Filtering circuit 32(RC low-pass first order filter); Shift knob 4; Power supply 5; Pilot lamp 6; Motor-drive circuit 7; Motor 8.
In a kind of infrared induction control circuit for automatic cap turning open refuse receptacle of the present utility model, infrared light emission receiving circuit 2 is connected with signal pre-processing circuit 3, and pre-process circuit 3 is connected with d type flip flop 1, and power supply 5 connects in the power pin of d type flip flop 1.Wherein on power supply 5, be connected with respectively shift knob 4 and pilot lamp 6; Infrared light emission receiving circuit 2 comprises infrared emitting LED and infrared reception photistor, on an output terminal of above-mentioned d type flip flop 1, is also connected with motor-drive circuit 7.
Between d type flip flop 1 and infrared light emission receiving circuit 2, be connected with signal pre-processing circuit 3, signal pre-processing circuit 3 comprises amplifying circuit 31, filtering circuit 32, and amplifying circuit 31 is connected with filtering circuit 32, and filtering circuit 32 output terminals are connected with d type flip flop 1.
Between d type flip flop 1 and motor 8, be connected with motor-drive circuit 7, motor-drive circuit 7 is selected integrated chip TA7257P, on chip TA7257P, be connected with capacitor C and resistance R, capacitor C is in parallel with motor M again after connecting with resistance R, is then connected between 3 pin and 5 pin of TA7257P.
The course of work of the present utility model is as follows:
When circuit working, infrared light emission LED in infrared light emission receiving circuit 2 outwards launches infrared signal, in the time having people to approach dustbin, the infrared signal of transmitting is blocked, produce reflection, now in infrared light emission receiving circuit 2, photistor receives reflected signal output high level, through amplifying circuit 31, filtering circuit 32 is sent high level signal into d type flip flop 1, d type flip flop triggers output high level by rising edge clock, then the high level control motor-drive circuit 7 of being exported by d type flip flop 1, by driving circuit 7 drive motor 8 forward rotation, finally open dustbin cover, when having lost after rubbish, in infrared light emission receiving circuit 2, the infrared signal of transmitting is not blocked, photistor in infrared light emission receiving circuit 2 cannot receive the infrared signal output low level of transmitting, through amplifying circuit 31, filtering circuit 32, low level signal is sent into d type flip flop 1, it is that output low level is to motor-drive circuit 7 that d type flip flop is triggered by rising edge clock, rotate backward by driving circuit 7 drive motor 8, close dustbin cover.
The utility model circuit is also provided with shift knob 4 and pilot lamp 6, shift knob 4 is wherein used for control circuit in upper power mode or power-down mode, in public arenas such as some companies, schools long-time nobody lose while putting rubbish can disconnecting circuit to save power supply; It is the green LED of 3mm that pilot lamp 6 is selected diameter, can in the time of upper power mode, monitor at any time supply voltage.
Compared with prior art, the utility model has the advantage of that control chip adopts d type flip flop, d type flip flop can be in the time that input signal be high level or low level, triggering for generating high level or low level in the time that rising edge clock arrives.D type flip flop has unique advantage at logical signal control field, does not need extra programming, simplicity of design compared with single-chip microcomputer.Between infrared light emission receiving circuit and d type flip flop, added signal pre-processing circuit, this circuit the infrared signal receiving is amplified and filtering processing after, then send into d type flip flop and carry out the output of high or low level.Motor-drive circuit adopts integrated chip TA7257P, compared with discrete component, has reduced circuit development difficulty, and driving circuit is integrated in a chip internal, can effectively avoid the interference of outer signals, and circuit stability is better.
These embodiment are interpreted as being only not used in for the utility model is described restriction protection domain of the present utility model.After having read the content of record of the present utility model, technician can make various changes or modifications the utility model, and these equivalences change and modification falls into the utility model claim limited range equally.
Claims (3)
1. a dustbin control circuit for infrared induction automatic cover-turning, is characterized in that comprising: d type flip flop (1), infrared light emission receiving circuit (2); Signal pre-processing circuit (3), shift knob (4), power supply (5), pilot lamp (6), motor-drive circuit (7) and motor (8); Described signal pre-processing circuit (3) comprises amplifying circuit (31) and filtering circuit (32); Described infrared light emission receiving circuit (2) is connected with amplifying circuit (31), described amplifying circuit (31) is connected with filtering circuit (32), described filtering circuit (32) is connected with the 1D port of d type flip flop (1), the 1Q port of described d type flip flop (1) is connected with described motor-drive circuit (7), and described motor-drive circuit (7) is connected with motor (8); The VCC pin of described d type flip flop (1) is connected with power supply (5); Between described power supply (5) and d type flip flop (1), be also connected with shift knob (4) and pilot lamp (6).
2. the dustbin control circuit of infrared induction automatic cover-turning according to claim 1, is characterized in that: described motor-drive circuit (7) is selected integrated chip TA7257P, the output port of described d type flip flop (1)
with
be connected with No. 2 pins with No. 1 pin of chip TA7257P respectively, between No. 3 pins of described chip TA7257P and No. 5 pins, be connected with capacitor C and resistance R, capacitor C is in parallel with motor M again after connecting with resistance R, No. 4 pin ground connection of described chip TA7257P, No. 7 pins of described chip TA7257P connect power supply VCC, after No. 7 pins of described chip TA7257P are connected with No. 6 pins, pass through capacity earth.
3. the dustbin control circuit of infrared induction automatic cover-turning according to claim 1, is characterized in that: described d type flip flop (1) adopts 74LS74 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319139.8U CN203909319U (en) | 2014-06-16 | 2014-06-16 | Control circuit for dustbin with automatic-opening cover through infrared induction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319139.8U CN203909319U (en) | 2014-06-16 | 2014-06-16 | Control circuit for dustbin with automatic-opening cover through infrared induction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203909319U true CN203909319U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420319139.8U Expired - Fee Related CN203909319U (en) | 2014-06-16 | 2014-06-16 | Control circuit for dustbin with automatic-opening cover through infrared induction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203909319U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106882512A (en) * | 2017-04-07 | 2017-06-23 | 福建纳仕达电子股份有限公司 | One kind sensing turning cover dustbin individual palpation key control method |
| CN108010304A (en) * | 2017-12-15 | 2018-05-08 | 上海电机学院 | A kind of remote-control switch device |
| WO2018184317A1 (en) * | 2017-04-07 | 2018-10-11 | 福建纳仕达电子股份有限公司 | Power-saving standby method for waste bin sensing circuit |
-
2014
- 2014-06-16 CN CN201420319139.8U patent/CN203909319U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106882512A (en) * | 2017-04-07 | 2017-06-23 | 福建纳仕达电子股份有限公司 | One kind sensing turning cover dustbin individual palpation key control method |
| WO2018184317A1 (en) * | 2017-04-07 | 2018-10-11 | 福建纳仕达电子股份有限公司 | Power-saving standby method for waste bin sensing circuit |
| WO2018184318A1 (en) * | 2017-04-07 | 2018-10-11 | 福建纳仕达电子股份有限公司 | Single-button control method for sensor-based automatic lid opening waste bin |
| CN108010304A (en) * | 2017-12-15 | 2018-05-08 | 上海电机学院 | A kind of remote-control switch device |
| CN108010304B (en) * | 2017-12-15 | 2020-07-31 | 上海电机学院 | Remote control switch device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20150616 |
|
| EXPY | Termination of patent right or utility model |