CN206427578U - A kind of ground embedded type garbage can - Google Patents
A kind of ground embedded type garbage can Download PDFInfo
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- CN206427578U CN206427578U CN201720070813.7U CN201720070813U CN206427578U CN 206427578 U CN206427578 U CN 206427578U CN 201720070813 U CN201720070813 U CN 201720070813U CN 206427578 U CN206427578 U CN 206427578U
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Abstract
The utility model discloses a kind of ground embedded type garbage can, including outer barrel and the big lid being arranged in outer barrel, big cover is hinged with tegillum, big cover is provided with the radially secure motor for having a first connecting rod on output shaft, it is small to cover the second connecting rod for being hinged with and being located at first connecting rod in same Plane of rotation, the end of second connecting rod is hinged with first connecting rod, and motor is coupled with the control system for controlling its start and stop, and control system includes：Infrared detection unit, for detecting the infrared signal around big lid, and exports corresponding infrared detection signal；Processing unit, is coupled to infrared detection unit, for receiving infrared detection signal, and generates a threshold reference signal, when infrared detection signal exceedes threshold reference signal, the connection of conducting motor and power supply, and when tegillum is opened after disconnection motor and power supply connection；With automatic open close tegillum, easy to use and safety, control system antijamming capability is high and controls accurately advantage.
Description
Technical field
The utility model is related to a kind of cleaning supplies, more specifically, it relates to a kind of ground embedded type garbage can.
Background technology
Dustbin has extremely important effect in cities and towns, carries collection house refuse, is convenient for people to live, purifies
The important task of urban air, beautifying urban environment.And underground dustbin is that dustbin is embedded into underground, only case lid is on ground
On, the pedal by dustbin only need to be gently stepped on when citizen's throw away rubbish, the lid of dustbin can be automatically opened up, Shi Minke
Rubbish is thrown.
Disclose a kind of ground embedded type garbage can in Publication No. CN202529462U Chinese patent, including it is interior bucket, outer
Bucket and base, said tub upper end are provided with support base, the big lid of support base upper end side connection；Big lid is connected by double rocker mechanism
Tegillum；The double rocker mechanism and the junction covered greatly are provided with control stick.A kind of ground embedded type garbage can that the utility model is provided,
Ladle body is located at underground, the volume of bucket can be expanded, and is not take up ground space.Staving remains closing with lid when not in use
State, pin steps on control stick control double rocker mechanism and opens tegillum when using, and rubbish is poured into bucket, pin is lifted away from control stick, small
Lid will be closed automatically, using very convenient.Ground embedded type garbage can in the technical scheme is first trampled due to needing when in use
Control stick can just realize unlatching tegillum, control stick surface and around it is more wet and slippery when, easily slided when stepping on control stick
, especially for old man, very big potential safety hazard is produced to it.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of ground embedded type garbage can, when making
User close to when can automatically turn on tegillum.
To achieve the above object, the utility model provides following technical scheme：
A kind of ground embedded type garbage can, including outer barrel and the big lid that is arranged in said tub, it is described it is big cover be hinged with it is small
Lid, big cover is provided with the radially secure motor for having a first connecting rod on output shaft, it is described it is small cover be hinged with it is described
First connecting rod is located at the second connecting rod in same Plane of rotation, and the end of the second connecting rod is hinged with the first connecting rod,
The motor is coupled with the control system for controlling its start and stop, and the control system includes：Infrared detection unit, it is described for detecting
Infrared signal around big lid, and export corresponding infrared detection signal；Processing unit, is coupled to infrared detection unit, is used for
The infrared detection signal is received, and generates a threshold reference signal, when the infrared detection signal exceedes the threshold reference
During signal, the connection of the motor and power supply is turned on, and disconnects after tegillum is opened the connection of the motor and power supply.
By using above-mentioned technical proposal, when user is near big lid, being detected by infrared detection unit makes
The infrared ray that user sends, makes its infrared detection signal exported exceed threshold reference signal, turns on the connection of motor and power supply,
The output shaft of motor drives first connecting rod to rotate, and first connecting rod drives second connecting rod to push tegillum open, opened automatically so as to reach again
Open the purpose of tegillum.
Further, the motor is minitype speed reducing motor.
By using above-mentioned technical proposal, on the one hand covered greatly because its small volume is easily installed, on the other hand due to
It is combined with reduction box, makes the control of its start and stop position in the rotation with first connecting rod more accurate, so that tegillum
The control of open angle is more accurate.
Further, the infrared detection unit includes being installed on the infrared sensor covered greatly, described infrared
The output end of sensor exports the infrared detection signal.
By using above-mentioned technical proposal, when user station can be detected on great Gai sides by infrared sensor.
Further, the processing unit includes：Comparison circuit, is coupled to the output end of the infrared sensor, and raw
Into the threshold reference signal, letter is compared into the infrared detection signal received the output one that compared with the threshold reference signal
Number；State switching circuit, is coupled to the output end of the comparison circuit, to export corresponding control according to the change of comparison signal
OFF signal；Circuit is opened and closed, the output end of the state switching circuit is coupled to, when the infrared detection signal exceedes the threshold value
During reference signal, the connection of the motor and power supply is turned on, and the connection of the motor and power supply is disconnected after tegillum is opened, with
Afterwards when the infrared detection signal is returned to below the threshold reference signal, turn on the connection of the motor and power supply and work as
The tegillum disconnects the connection of the motor and power supply after closing.
Further, the comparison circuit includes：Threshold reference signal generative circuit, with a first resistor R1, one
End is coupled to the first direct current VCC_1, and the other end is grounded after being connected with a second resistance R2, from first resistor R1 and second resistance
The threshold reference signal is produced between R2；Comparator A, with an in-phase input end, an inverting input and an output end, institute
The output end that in-phase input end is coupled to the infrared sensor is stated, inverting input is coupled to first resistor R1 and second resistance
R2 tie point, output end exports the comparison signal.
Further, the state switching circuit includes：First delay circuit, its input is coupled to the defeated of comparator A
Go out and hold and export a delay comparison signal；NOT gate NOT, its input is coupled to the output end of the first delay circuit；Same OR gate
XNOR, with two inputs and an output end, its first input end NAND gate NOT output end is coupled, the second input
Coupled with comparator A output end, its output end exports the control OFF signal.
Further, the keying circuit includes：NPN triode Q1, its grounded emitter, base stage passes through a 3rd resistor
R3 be coupled to same OR gate XNOR output end and by one the 4th resistance R4 and emitter stage altogether；Normally opened relay KM1, its line
The first end of circle is coupled to one second direct current VCC_2, and the second end of its coil is coupled to the colelctor electrode of NPN triode Q1, its
Normally opened contact switch S1 is serially connected between the motor and power supply；First diode D1, its positive pole is coupled to normally opened relay KM1
Coil first end, negative pole is coupled to the second end of normally opened relay KM1 coil.
By using above-mentioned technical proposal, when initial, the infrared detection signal of infrared sensor output is less than threshold reference
Signal, comparator A output low level, NOT gate NOT output high level exports low level with OR gate XNOR, makes NPN triode Q1
Cut-off, disconnects path where motor；When user close to big lid nearby when, it is red that infrared detection unit detects that user sends
Outside line, makes its infrared detection signal exported exceed threshold reference signal, comparator A output end output high level, due to the
The time-lag action of one delay circuit, NOT gate NOT keeps output high level, then exports high level, conducting NPN tri- poles with OR gate XNOR
Pipe Q1 and normally opened relay KM1, closes normally opened contact switch S1, and the connection of conducting motor and power supply, motor connects by first
Tegillum is opened in the gearing of bar and second connecting rod, after the delay time for reaching the first delay circuit, and NOT gate NOT exports low electricity
It is flat, low level is exported with OR gate XNOR, ends NPN triode Q1, path where motor is disconnected, now tegillum is just opened to
Predetermined angular；Then when user leaves big lid nearby, when infrared detection signal is returned to below threshold reference signal, compare
Device A exports low level, due to the time-lag action of the first delay circuit, and NOT gate NOT keeps output low level, then defeated with OR gate XNOR
Go out high level, path where conducting NPN triode Q1 and motor, motor drives first connecting rod to be rotated further, reach first and be delayed
After the delay time of circuit, NOT gate NOT output high level exports low level with OR gate XNOR, ends NPN triode Q1, breaks
Path where motor is opened, now first connecting rod goes back to initial position, tegillum and is also turned off, so as to reach tegillum automatic open close
Purpose.
Further, the processing unit also includes the filtering bypass for being coupled to the state switching circuit output end, uses
The noise signal come in filtering circuit.
By using above-mentioned technical proposal, by filtering the noise signal in by-passing filter circuit, so that processing unit
Judgement to the keying of motor is more accurate.
Further, the filtering bypass includes a filter capacitor C1, and its one end is coupled to same OR gate XNOR output end,
The other end is grounded.
By using above-mentioned technical proposal, the simple filtering to processing unit is realized, increase cost is low.
Further, the first resistor R1 is variable resistance.
By using above-mentioned technical proposal, because first resistor R1 resistance is adjustable, by the resistance for adjusting first resistor R1
Value changes the size of threshold reference signal, so that can to processing unit according to infrared detection installing the control system
Debugging is realized in the sensitivity that signal triggering opens and closes motor, and different sensitivity are realized for different use environments, so that place
The judgement for managing unit is more accurate.
Compared with prior art, the utility model has the advantages that：
（1）When user is near big lid, control system automatically turns on tegillum, makes user more convenient and pacifies
Entirely, the potential safety hazard for needing to trample control stick in the prior art and bringing is eliminated, is opened additionally, due to using electronic induction triggering
Tegillum is opened, service life is increased；
（2）Filtering bypass is provided with processing unit, opening and closing tegillum, the judgement controlled is more accurate, and it is unnecessary to reduce
Energy loss；
（3）First resistor R1 is variable resistance, and convenient adjust can be carried out to the trigger sensitivity that tegillum is opened and closed by it
Examination, the judgement for making control system open and close control to tegillum is more accurate.
Brief description of the drawings
Fig. 1 is the structural representation of the ground embedded type garbage can of the present embodiment；
Fig. 2 is the internal structure schematic diagram of the ground embedded type garbage can of the present embodiment；
Fig. 3 is the enlarged drawing in A portions in Fig. 2；
Fig. 4 is the circuit diagram of the control system of the present embodiment.
Reference：1st, outer barrel；111st, interior bucket；2nd, great Gai；The 21st, window is installed；22nd, side is abutted；23rd, sealing rubber ring；3、
Tegillum；31st, hinged seat；4th, motor；5th, first connecting rod；6th, second connecting rod；7th, control system；8th, infrared detection unit；9th, handle
Unit；10th, comparison circuit；11st, state switching circuit；12nd, circuit is opened and closed；13rd, threshold reference signal generative circuit；14th, filter
Bypass.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
As depicted in figs. 1 and 2, a kind of ground embedded type garbage can, including outer barrel 1, the interior bucket 111 that is placed in outer barrel 1 and hinge
It is connected on the big lid 2 in outer barrel 1, big lid 2 and is provided with installation window 21, installs in window 21 and be hinged with tegillum 3, the bottom of big lid 2 is fixed
There is motor 4.Motor 4 is minitype speed reducing motor.
As shown in Figures 2 and 3, motor 4 is fixed on the bottom surface of big lid 2 installed on the side of window 21, and the output shaft of motor 4
Extend to the lower section for installing window 21.It is radially secure having first connecting rod 5 on the output shaft of motor 4, it is solid by bolt on tegillum 3
Surely there is the second connecting rod 6 for being hinged with and being located at first connecting rod 5 in same Plane of rotation on hinged seat 31, hinged seat 31, second connects
The end of bar 6 is hinged with first connecting rod 5.So as to reach with the output shaft rotation of motor 4, connect in first connecting rod 5 and second
Under the transmission of bar 6, tegillum 3 can do reciprocal on-off action.The inwall of installation window 21 below tegillum 3 is provided with a circle and is used for
The abutting side 22 abutted against after being closed with tegillum 3, abuts the sealing being lined with side 22 at a circle sealing rubber ring 23 increase tegillum 3
Property.
As shown in Figure 2 and Figure 4, motor 4 is coupled with the control system 7 for controlling its start and stop, and being parked in control system 7 includes：It is red
Outer detection unit 8, for detecting the infrared signal around big lid 2, and exports corresponding infrared detection signal；Processing unit 9, coupling
Infrared detection unit 8 is connected to, for receiving infrared detection signal, and a threshold reference signal is generated, when infrared detection signal is super
When crossing threshold reference signal, the connection of conducting motor 4 and power supply, and when tegillum 3 is opened after disconnection motor 4 and power supply connection.
Infrared detection unit 8 includes the infrared sensor being installed on big lid 2, red in the output end output of infrared sensor
Outer detection signal.
Processing unit 9 includes：Comparison circuit 10, is coupled to the output end of infrared sensor, and generates threshold reference signal,
The infrared detection signal received is compared with threshold reference signal and exports a comparison signal；State switching circuit 11, coupling
In the output end of comparison circuit 10, to export corresponding control OFF signal according to the change of comparison signal；Open and close circuit 12, coupling
In the output end of state switching circuit 11, when infrared detection signal exceedes threshold reference signal, the company of conducting motor 4 and power supply
Connect, and the connection of motor 4 and power supply is disconnected after tegillum 3 is opened, then when infrared detection signal returns to threshold reference signal
When following, the connection of conducting motor 4 and power supply and the connection that motor 4 and power supply are disconnected after tegillum 3 is closed.
Comparison circuit 10 includes：Threshold reference signal generative circuit 13, with a first resistor R1, first resistor R1 is can
Variohm, its one end is coupled to the first direct current VCC_1, and the other end is grounded after being connected with a second resistance R2, from the first electricity
Threshold reference signal is produced between resistance R1 and second resistance R2；Comparator A, with an in-phase input end, an inverting input and
One output end, in-phase input end is coupled to the output end of infrared sensor, and inverting input is coupled to first resistor R1 and second
Resistance R2 tie point, output end output comparison signal.
Because first resistor R1 resistance is adjustable, threshold reference signal is changed by adjusting first resistor R1 resistance
Size, the sensitive of motor 4 is opened and closed so that can be triggered in installation control system 7 to processing unit 9 according to infrared detection signal
Degree realizes debugging, different sensitivity is realized for different use environments, so that the judgement of processing unit 9 is more accurate.
State switching circuit 11 includes：First delay circuit, its input is coupled to comparator A output end and output one
Be delayed comparison signal；NOT gate NOT, its input is coupled to the output end of the first delay circuit；It is defeated with two with OR gate XNOR
Enter end and an output end, its first input end NAND gate NOT output end coupling, the output of the second input and comparator A
End coupling, its output end output control OFF signal.
In foregoing circuit, first comparator A is active voltage comparator, and power access end is coupled to the first direct current VCC_
1, earth terminal ground connection.
Opening and closing circuit 12 includes：NPN triode Q1, its grounded emitter, base stage is coupled to together by a 3rd resistor R3
OR gate XNOR output end and by one the 4th resistance R4 and emitter stage altogether；Normally opened relay KM1, the first end of its coil
One second direct current VCC_2 is coupled to, the second end of its coil is coupled to the colelctor electrode of NPN triode Q1, and its normally opened contact is opened
S1 is closed to be serially connected between motor 4 and power supply；First diode D1, its positive pole is coupled to the first of normally opened relay KM1 coil
End, negative pole is coupled to the second end of normally opened relay KM1 coil.
Processing unit 9 also includes the filtering bypass 14 for being coupled to the output end of state switching circuit 11, in filtering circuit
Noise signal.Filtering bypass 14 includes a filter capacitor C1, and its one end is coupled to same OR gate XNOR output end, another termination
Ground.By filtering the noise signal in 14 filtering circuits of bypass so that processing unit 9 to the judgement of the keying of motor 4 more
Accurately.
The practical work process of the control system 7 of the present embodiment is as follows：
When initial, the infrared detection signal of infrared sensor output is less than threshold reference signal, the comparator A low electricity of output
Flat, NOT gate NOT output high level exports low level with OR gate XNOR, ends NPN triode Q1, disconnects the place of motor 4 logical
Road；When user is near big lid 2, infrared detection unit 8 detects the infrared ray that user sends, and makes the red of its output
Outer detection signal exceedes threshold reference signal, comparator A output end output high level, because the delay of the first delay circuit is made
With NOT gate NOT keeps output high level, then exports high level, conducting NPN triode Q1 and normally opened relay with OR gate XNOR
KM1, closes normally opened contact switch S1, and the connection of conducting motor 4 and power supply, motor 4 passes through first connecting rod 5 and second connecting rod 6
Gearing open tegillum 3, reach the first delay circuit delay time after, NOT gate NOT output low level, with OR gate XNOR
Low level is exported, ends NPN triode Q1, the place path of motor 4 is disconnected, now tegillum 3 is just opened to a predetermined angle；With
Afterwards when user is left near big lid 2, when infrared detection signal is returned to below threshold reference signal, comparator A outputs are low
Level, due to the time-lag action of the first delay circuit, NOT gate NOT keeps output low level, then exports high level with OR gate XNOR,
NPN triode Q1 and the place path of motor 4 are turned on, motor 4 drives first connecting rod 5 to be rotated further, and reaches the first delay circuit
After delay time, NOT gate NOT output high level exports low level with OR gate XNOR, ends NPN triode Q1, disconnects motor 4
Place path, now first connecting rod 5 goes back to initial position, tegillum 3 and is also turned off, so as to reach the mesh of the automatic open close of tegillum 3
's.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of ground embedded type garbage can, including outer barrel (1) and the big lid (2) that is arranged in said tub (1), it is characterised in that
Tegillum (3) is hinged with the big lid (2), and being provided with the big lid (2) radially secure on output shaft has first connecting rod (5)
Motor (4), the second connecting rod being located at the first connecting rod (5) in same Plane of rotation is hinged with the tegillum (3)
(6), the end of the second connecting rod (6) is hinged with the first connecting rod (5), and the motor (4), which is coupled with, controls its start and stop
Control system (7), the control system (7) includes：
Infrared detection unit (8), for detecting the infrared signal around the big lid (2), and exports corresponding infrared detection letter
Number；
Processing unit (9), is coupled to infrared detection unit (8), for receiving the infrared detection signal, and generates threshold value ginseng
Signal is examined, when the infrared detection signal exceedes the threshold reference signal, the motor (4) and the connection of power supply is turned on,
And the connection of the motor (4) and power supply is disconnected after tegillum (3) is opened.
2. a kind of ground embedded type garbage can according to claim 1, it is characterised in that the motor (4) is micro speed reducing electricity
Machine.
3. a kind of ground embedded type garbage can according to claim 1, it is characterised in that the infrared detection unit (8) includes
The infrared sensor on the big lid (2) is installed on, the infrared detection signal is exported in the output end of the infrared sensor.
4. a kind of ground embedded type garbage can according to claim 3, it is characterised in that the processing unit (9) includes：
Comparison circuit (10), is coupled to the output end of the infrared sensor, and generates the threshold reference signal, will receive
Infrared detection signal a comparison signal is exported compared with the threshold reference signal；
State switching circuit (11), is coupled to the output end of the comparison circuit (10), defeated to the change according to comparison signal
Go out corresponding control OFF signal；
Circuit (12) is opened and closed, the output end of the state switching circuit (11) is coupled to, when the infrared detection signal exceedes institute
When stating threshold reference signal, the motor (4) and the connection of power supply are turned on, and the motor (4) is disconnected after tegillum (3) is opened
With the connection of power supply, then when the infrared detection signal is returned to below the threshold reference signal, the motor is turned on
(4) connection of the motor (4) and power supply is disconnected with the connection of power supply and after the tegillum (3) is closed.
5. a kind of ground embedded type garbage can according to claim 4, it is characterised in that the comparison circuit (10) includes：
Threshold reference signal generative circuit (13), with a first resistor R1, its one end is coupled to the first direct current VCC_1, separately
One end is grounded after being connected with a second resistance R2, and the threshold reference letter is produced between first resistor R1 and second resistance R2
Number；
Comparator A, with an in-phase input end, an inverting input and an output end, the in-phase input end is coupled to described
The output end of infrared sensor, inverting input is coupled to first resistor R1 and second resistance R2 tie point, output end output
The comparison signal.
6. a kind of ground embedded type garbage can according to claim 5, it is characterised in that state switching circuit (11) bag
Include：
First delay circuit, its input is coupled to comparator A output end and exports a delay comparison signal；
NOT gate NOT, its input is coupled to the output end of the first delay circuit；
With OR gate XNOR, with two inputs and an output end, its first input end NAND gate NOT output end is coupled,
The output end of second input and comparator A is coupled, and its output end exports the control OFF signal.
7. a kind of ground embedded type garbage can according to claim 6, it is characterised in that the keying circuit (12) includes：
NPN triode Q1, its grounded emitter, base stage is coupled to same OR gate XNOR output end by a 3rd resistor R3 and led to
Cross one the 4th resistance R4 and emitter stage altogether；
Normally opened relay KM1, the first end of its coil is coupled to one second direct current VCC_2, and the second end of its coil is coupled to
The colelctor electrode of NPN triode Q1, its normally opened contact switch S1 is serially connected with the motor (4) between power supply；
First diode D1, its positive pole is coupled to the first end of normally opened relay KM1 coil, and negative pole is coupled to normally opened relay
Second end of KM1 coil.
8. a kind of ground embedded type garbage can according to claim 7, it is characterised in that the processing unit (9) also includes coupling
The filtering bypass (14) of the state switching circuit (11) output end is connected to, for the noise signal in filtering circuit.
9. a kind of ground embedded type garbage can according to claim 8, it is characterised in that the filtering bypass (14) includes a filter
Ripple electric capacity C1, its one end is coupled to same OR gate XNOR output end, other end ground connection.
10. a kind of ground embedded type garbage can according to claim 5, it is characterised in that the first resistor R1 is can power transformation
Hinder device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720070813.7U CN206427578U (en) | 2017-01-20 | 2017-01-20 | A kind of ground embedded type garbage can |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720070813.7U CN206427578U (en) | 2017-01-20 | 2017-01-20 | A kind of ground embedded type garbage can |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206427578U true CN206427578U (en) | 2017-08-22 |
Family
ID=59584029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720070813.7U Expired - Fee Related CN206427578U (en) | 2017-01-20 | 2017-01-20 | A kind of ground embedded type garbage can |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206427578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023216355A1 (en) * | 2022-05-07 | 2023-11-16 | 江门市锦隆高科实业有限公司 | Three-connecting-rod waterproof structure of garbage can cover, and garbage can having same |
-
2017
- 2017-01-20 CN CN201720070813.7U patent/CN206427578U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023216355A1 (en) * | 2022-05-07 | 2023-11-16 | 江门市锦隆高科实业有限公司 | Three-connecting-rod waterproof structure of garbage can cover, and garbage can having same |
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| CP01 | Change in the name or title of a patent holder |
Address after: 518106 13-14, building 3, seven East Lane, Fukang street, Gongming street, Guangming New District, Shenzhen, Guangdong. Patentee after: Shenzhen City Jie Liang environmental science and Technology Co.,Ltd. Address before: 518106 13-14, building 3, seven East Lane, Fukang street, Gongming street, Guangming New District, Shenzhen, Guangdong. Patentee before: SHENZHEN CHENGJIELIANG CLEANING SERVICES CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170822 Termination date: 20220120 |