CN209834645U - Slow descending device of dustbin cover and intelligent dustbin - Google Patents
Slow descending device of dustbin cover and intelligent dustbin Download PDFInfo
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- CN209834645U CN209834645U CN201820934180.4U CN201820934180U CN209834645U CN 209834645 U CN209834645 U CN 209834645U CN 201820934180 U CN201820934180 U CN 201820934180U CN 209834645 U CN209834645 U CN 209834645U
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Abstract
The utility model relates to a technical field is accomodate to rubbish to a device and intelligent garbage bin slowly fall of garbage bin bung is disclosed, slowly fall the device and include: the motor is used for being in transmission connection with the barrel cover; the master control device is used for controlling the positive and negative rotation and braking of the motor; the angle sensing device is used for sensing the rotation angle of the barrel cover; the angle sensing device is connected with the main control device in a communication mode, and when the barrel cover is closed to a preset angle, the main control device controls the motor to brake, so that the barrel cover drives the motor to rotate to a closed position. So set up, realized slowly falling to intelligent garbage bin bung, reduced mechanical structure, avoided the metal fatigue and the rust problem of spring among the damping structure, also made the structure of garbage bin become simpler simultaneously, and the volume also becomes littleer.
Description
Technical Field
The utility model relates to a technical field is accomodate to rubbish, and more specifically says, relates to a device and intelligent garbage bin slowly fall of garbage bin bung.
Background
Most of garbage cans are covered to prevent peculiar smell of garbage from dispersing, and generally, the garbage cans are covered by a cover-covered garbage can and a pedal type garbage can, and the cover-covered garbage can generally needs a user to open the can cover by himself, but can only fall by the gravity of the can cover when the can cover falls; the pedal type garbage bin generally drives the middle connecting rod to push the bin cover to open by stepping on the pedal, and when the garbage bin is closed, the bin cover can only fall by the gravity of the bin cover, so that the bin cover is easy to break. Therefore, how to make the garbage bin bung slowly descend, in order to prevent the easy cracked problem of bung when descending, derived a lot of intelligent garbage bins in the market.
And the slow descending of the bung of intelligent garbage bin on the market at present is realized through damping mechanical structure, is provided with slowly falling the subassembly in the garbage bin generally, for example is provided with the attenuator, and these slowly fall the subassembly and will occupy intelligent garbage bin's certain area, and cause the space that the garbage bin held rubbish to reduce, and metal parts such as the spring in the damping structure appear metal fatigue easily and rust problem, after these problems appear the bung will be difficult for opening or closing, and cause the unable use of intelligent garbage bin.
Therefore, how to realize slowly falling of intelligent garbage bin bung to reduce mechanical structure, avoid the metal fatigue and the problem of rustting of spring among the damping structure, also make the structure of product become simpler simultaneously, the volume becomes littleer, becomes the important technical problem that the personnel in the field need solve.
Disclosure of Invention
An object of the utility model is to provide a device slowly falls of garbage bin bung has realized slowly falling of intelligent garbage bin bung to reduce mechanical structure, avoid the metal fatigue and the rust problem of spring among the damping structure, also make the structure of product become more simple simultaneously, the volume becomes littleer.
The utility model provides a device slowly falls of garbage bin bung, include:
the motor is used for being in transmission connection with the barrel cover;
the master control device is used for controlling the positive and negative rotation and braking of the motor;
the angle sensing device is used for sensing the rotation angle of the barrel cover; the angle sensing device is connected with the main control device in a communication mode, and when the barrel cover is closed to a preset angle, the main control device controls the motor to brake, so that the barrel cover drives the motor to rotate to a closed position.
Preferably, the main control device comprises an H-bridge circuit formed by overlapping four triodes, and the H-bridge circuit can control the positive and negative rotation of the motor.
Preferably, the angle sensing device is a limit switch.
Preferably, the safety device further comprises a travel switch for detecting the opening or closing state of the barrel cover.
Preferably, the electric kettle further comprises a sound and light alarm device, the sound and light alarm device is communicably connected with the motor and the travel switch, when the motor is in a shutdown state, the travel switch detects that the barrel cover is in an open state, and the sound and light alarm device gives out sound and light alarm.
The utility model also provides an intelligent garbage bin, including the bung and with what the bung was connected is as above-mentioned arbitrary slowly fall the device.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
the utility model provides a device slowly falls of garbage bin bung, include: the motor, master control set and angle induction system, the motor is connected with the bung transmission, drive opening or closing of bung through motor corotation, master control set and motor communicably be connected, can control the corotation of motor, and can brake the motor, angle induction system can respond to bung pivoted angle, angle induction system and master control set communicably be connected, be provided with the angle of predetermineeing in the master control set, when the bung is closed, when the angle that rotates the descending equals to predetermine the angle, master control set control motor braking, so that the bung drives the motor and rotates to closed position, master control set brakes the motor promptly, remove the control to the motor, make the motor unable effect to the bung, the bung is driven the motor and is rotated when descending, until the bung is closed. So set up, realized slowly falling to intelligent garbage bin bung, reduced mechanical structure, avoided the metal fatigue and the rust problem of spring among the damping structure, also made the structure of garbage bin become simpler simultaneously, and the volume also becomes littleer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a circuit diagram of an H-bridge control circuit of a descent control device in an embodiment of the present invention;
fig. 2 is a structural diagram of an MCU of the descent control device in an embodiment of the present invention;
fig. 3 is a circuit diagram of an energy conversion circuit of a descent control device in an embodiment of the present invention;
fig. 4 is a schematic view of a working flow of an intelligent trash can in an embodiment of the present invention;
fig. 5 is a control circuit diagram of a control device for opening and closing the barrel cover and for packing and replacing the bag in the embodiment of the present invention;
fig. 6 is the utility model provides an in the embodiment of the utility model the bung open and close and pack the controlling means's that trades the bag work flow sketch map.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.
This embodiment provides a controlling means that bung was opened and close and the bag is traded in packing, has realized slowly descending of intelligent garbage bin bung, has reduced mechanical structure, has avoidd the metal fatigue and the rust problem of spring among the damping structure, also makes the structure of garbage bin become simpler simultaneously, and the volume also becomes littleer.
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
Referring to fig. 1 to 4, the present embodiment provides a slow descending device for a lid of a trash can, including: the motor, master control set and angle induction system, the motor is connected with the bung transmission, rotate through the motor and drive opening or closing of bung, master control set and motor communicably be connected, can control the positive and negative rotation of motor, and can brake the motor, angle induction system can respond to bung pivoted angle, angle induction system and master control set communicably be connected, be provided with the angle of predetermineeing in the master control set, when the bung is closed, when the angle that rotates the descending equals to predetermine the angle, master control set control motor braking, so that the bung drives the motor and rotates to closed position, namely master control set brakes the motor, the contact is to the control of motor, make the motor unable to act on the bung, the bung drives the motor and rotates when descending, until the bung is closed.
The mode of controlling the motor braking is an energy consumption braking mode of controlling the short circuit of the motor, and can also be a power generation feedback braking mode formed by connecting the motor to a related circuit, or a reverse connection braking mode formed by connecting the motor to a circuit.
It should be noted that, the maximum rotation angle of the lid of the general trash can is 90 degrees, and the lid of the trash can is slowly lowered from the maximum opening angle, in this embodiment, the maximum rotation angle of the lid of the trash can may be preferably 90 degrees, that is, the maximum opening angle of the lid is preferably 90 degrees, and the preset angle of the lid of the trash can is preferably 60 degrees, that is, the slow lowering start angle of the lid is preferably 60 degrees.
When the barrel cover is closed, the rotating and descending angle is equal to a preset angle, namely the motor overturns to drive the barrel cover to be closed to 60 degrees from 90 degrees, the embodiment is preferable, the main control device is used for short-circuiting the motor, namely the main control device removes the control on the motor, the barrel cover drives the motor to rotate, the motor mode is converted into the generator mode, the kinetic energy on the motor rotor is consumed and converted into the electric energy, and therefore the slow descending function is achieved.
So set up, realized slowly descending of intelligent garbage bin bung, reduced mechanical structure, avoided the metal fatigue and the problem of rustting of spring among the damping structure, also made the structure of garbage bin become simpler simultaneously, the volume also becomes littleer.
In the preferred scheme of this embodiment, master control unit includes H bridge circuit, and H bridge circuit can control the positive and negative rotation of motor. Therefore, the motor is controlled through the circuit, the control method is simple and convenient, and the forward and reverse rotation of the motor is convenient to control.
Further, as shown in fig. 1, the H-bridge circuit is formed by overlapping 4 transistors, where the 4 transistors include two PNP transistors Q1 and Q2 and two NPN transistors Q5 and Q6.
In this embodiment, the main control device includes an MCU (micro controller Unit), a first control end M1A of the MCU is connected to the base of the transistor Q1 and the base of the transistor Q5, and a second control end M1B of the MCU is connected to the base of the transistor Q2 and the base of the transistor Q6. The collectors of the transistors Q1 and Q2 are electrically connected with one end of the motor, and the collectors of the transistors Q5 and Q6 are electrically connected with the other end of the motor.
When the MCU sends out a control signal, when the first control end M1A outputs a control signal, i.e. the first control end M1A is at a high level, the second control end M1B is at a low level, the transistor Q1 and the transistor Q5 are turned on, the motor may rotate forward, the lid is opened, when the second control end M1B outputs a control signal, i.e. the second control end M1B is at a high level, the first control end M1A is at a low level, the motor rotates backward, and the lid falls. With the arrangement, the forward and reverse rotation of the motor can be controlled only by controlling the conduction direction of the circuit.
In this embodiment, as shown in fig. 1, a protection circuit is further provided, the protection circuit includes a first protection circuit, the first protection circuit includes a diode D1 whose two ends are respectively connected to an emitter and a collector of a transistor Q1, a diode D2 whose two ends are respectively connected to an emitter and a collector of a transistor Q2, a diode D3 whose two ends are respectively connected to an emitter and a collector of a transistor Q5, and a diode D4 whose two ends are respectively connected to an emitter and a collector of a transistor Q6, the emitters of the transistors Q1 and Q2 are both connected to a power supply VCC, and the emitters of the transistors Q5 and Q6 are both grounded. By the arrangement, the situation that the triode or the circuit is burnt due to overhigh reverse electromotive force generated by the motor at the moment of switching on and off the circuit is prevented, so that the circuit is protected.
Further, as shown in fig. 1, the protection circuit further includes a second protection circuit, the second protection circuit includes a transistor Q3 and a transistor Q4, a collector of the transistor Q3 is connected to the power supply VCC through a resistor R2, a collector of the transistor Q4 is connected to the power supply VCC through a resistor R1, emitters of the transistor Q3 and the transistor Q4 are both grounded, a collector of the transistor Q3 is connected to a base of the transistor Q1 through a resistor R4, a collector of the transistor Q4 is connected to a base of the transistor Q2 through a resistor R3, a second control terminal M1B is connected to the base of the transistor Q3, and a first control terminal M1A is connected to the base of the transistor Q4. Therefore, the phenomenon that the triode Q1, the triode Q2, the triode Q5 and the triode Q6 are burnt down due to overlarge current of the branch circuit under the condition of no load is avoided.
Particularly, as shown in fig. 1, in order to facilitate external control, the transistor Q3 and the transistor Q4 are protected, a resistor R6 is further connected between the second control terminal M1B and the base of the transistor Q3, a resistor R5 is further connected between the first control terminal M1A and the base of the transistor Q4, and the resistor R6 and the resistor R5 play a role in current limiting.
It should be noted that, a capacitor C1 is also connected in parallel to the two ends of the motor to handle electromagnetic compatibility and filter noise in the circuit.
In one embodiment, the slow descending device of the trash can cover further comprises an energy conversion circuit, as shown in fig. 3, the energy conversion circuit comprises a field effect transistor Q7 with a drain connected with one end of the motor and a field effect transistor Q8 with a drain connected with the other end of the motor, and the gates of the field effect transistor Q7 and the field effect transistor Q8 are connected with the MCU through a resistor R11. Fet Q7 and fet Q8 can short circuit the motor.
When the barrel cover starts to be closed, the motor rotates reversely to drive the barrel cover to be closed, namely when the barrel cover is located at 90 degrees to 60 degrees, the motor rotates reversely to enable the voltages at two ends of the motor to be increased, so that the diode D1 and the diode D2 are conducted, current flows to the power supply VCC, in the embodiment, the power supply VCC is provided with the voltage diverter DC-DC, and the voltage of the power supply VCC is converted into low voltage.
It should be noted that the voltage of the power supply VCC may preferably be 12V, and the power supply voltage may be converted into 3.3V after passing through the voltage converter DC-DC.
Preferably, the angle sensing device can be a limit switch, and the limit switch is used for realizing sequential control, positioning control and position state detection.
In some embodiments, the slow descending device further comprises a travel switch, the travel switch can detect whether the barrel cover is in an open state or a closed state, the slow descending device further comprises a sound and light alarm device, the sound and light alarm device is communicably connected with the motor and the travel switch, when the descending time of the barrel cover reaches a preset time, the barrel cover stops descending, the barrel cover does not drive the motor to rotate, the motor is in a stop state, the travel switch detects whether the barrel cover is closed, if the barrel cover is closed, no foreign matter blocks the barrel cover, if the barrel cover is not closed, the situation that the foreign matter blocks the barrel cover is indicated, and the sound. So set up, can know directly perceivedly whether the bung is closed, whether have the foreign matter to block the bung.
The preset time may preferably be 1.5 seconds, that is, 1.5 seconds when the tub cover is completely closed after 60 degrees.
This embodiment still provides an intelligent garbage bin, including the bung with as above-mentioned slowly fall the device, the bung with slowly fall the device and be connected, slowly fall the slowly that the device can realize the bung and fall. The derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effect brought by the slow descending device, and therefore, the description is omitted here.
In this embodiment, intelligence garbage bin still opens and close and pack the controlling means who trades the bag including inductive element, a controller, the timer, inductive element is used for responding to human action signal, timer and inductive element communicably connected, the time that inductive element is triggered can be recorded to the timer, and the timer is communicably connected with the controller, the timer can send the time of being triggered of record to the controller, the controller can control opening and close and garbage bin packing of bung and trade the bag, be provided with the time of predetermineeing in the controller, when being less than the time of predetermineeing by the time of triggering of timer record, the controller control bung is opened or is closed, when being greater than the time of predetermineeing by the time of triggering of timer record, the controller control garbage bin packs and trades the bag process.
The timer may be a timer program provided to the control device, and the timer procedure is the same as the timer procedure.
According to the arrangement, the garbage can be controlled to perform actions only by one key, the multifunctional garbage can is controlled to work without a plurality of keys, the occupied volume is reduced, multifunctional operation is realized only by one key, and the reliability and stability of the product are improved.
The sensing element is a touch piece for sensing human body touch or a mechanical key for sensing human body pressing.
In a preferred embodiment of this embodiment, the controller may be a control circuit, as shown in fig. 5, a power supply end of the control circuit is provided with a voltage clamp circuit 11, and the voltage clamp circuit 11 can ensure the stability of the power supply voltage.
It should be noted that the voltage clamp circuit 11 uses a large-scale integrated circuit dedicated to voltage monitoring. The circuit has the advantages of small volume, simple circuit and stronger reliability.
In this embodiment, the sensing element is preferably a touch member, and the touch member includes a touch layer and a sensing spring J1. The sense spring J1 is disposed under the touch layer, and the sense spring J1 is communicably connected to a timer capable of recording the time when the sense spring J1 is deformed after sensing a touch. By such an arrangement, the touch can be sensitively sensed.
The sensing spring J1 can be replaced by a metal sheet, a temperature sensor, or other devices or devices capable of sensing human touch.
Furthermore, any position of the touch layer is a sensing area, namely the whole touch layer can sense a touch signal, so that the trigger function is stable, the area is not limited, and repeated touch is not needed.
It should be noted that the touch layer is an insulating layer to ensure safety when a human body touches the touch layer.
In some embodiments, the control Circuit comprises an induction IC chip (Integrated Circuit), the induction spring J1 is connected with a signal receiving end of the induction IC chip, a signal output end of the induction IC chip is connected with a working Circuit for controlling opening and closing of a dustbin cover or packing and bag changing of the dustbin, when the induction spring J1 induces human touch, a touch signal is transmitted to the signal receiving end of the induction IC chip, the signal receiving end outputs a high level, a timer is arranged in the induction IC chip, namely, preset time is set on the timer, time for the signal receiving end to output the high level is synchronous with time for the human touch, if the output time of the high level is less than the preset time, the induction IC chip outputs a control signal to control opening or closing of the dustbin cover; if the output time of the high level is longer than the preset time, the induction IC chip outputs a control signal to control packaging and bag replacement. So configured, the trigger sensed by the sensing spring J1 is triggered at different times, thereby realizing one-key multifunction.
In one embodiment, when the stability and reliability of the product reach the requirements of industrial level or higher, a diode D may be connected at the signal receiving end.
This embodiment still provides a garbage bin bung and opens and close and pack the work flow who trades the bag, as shown in fig. 6, include:
step 1, detecting a human touch signal, namely whether the induction spring J1 induces the touch signal;
step 2, if a human body touch signal is detected, namely the sensing spring J1 senses the touch signal, the timer starts to record the time when the sensing spring J1 senses the touch signal;
if no human body touch signal is detected, the control device is in a shutdown state;
step 3, judging whether the time recorded by the timer when the induction spring J1 induces the touch signal is less than the preset time;
step 4, if the touched time recorded by the timer is less than the preset time, the induction IC chip outputs a control instruction to control the opening or closing of the barrel cover;
if the touched time recorded by the timer is longer than the preset time, the induction IC chip outputs a control instruction to control the garbage can to carry out the packaging and bag changing process.
It should be noted that, when the sensing element is a mechanical button, the control steps of the trash can are the same as those of the touch member.
The preset time may be 1.5 seconds to 2.5 seconds, and may preferably be 1.5 seconds or 2 seconds.
This embodiment mode still provides an intelligent garbage bin's work flow, and based on foretell intelligent garbage bin, including the control step:
step 101: firstly, starting a cover closing action, namely, receiving a cover closing instruction when the barrel cover is in an open state;
step 102: judging whether the barrel cover receives a control instruction for closing the barrel cover;
if the barrel cover is in the closing action, namely the barrel cover receives a control command of closing the cover, the closing action is carried out;
step 103: then, the angle sensing device acquires the closing angle of the barrel cover;
step 104: whether the included angle between the dustbin cover and the dustbin opening sensed by the angle sensing device is equal to a preset angle or not is judged, and if the included angle is equal to the preset angle, the motor is short-circuited by the field effect transistor Q7 and the field effect transistor Q8, so that the control of the main control device on the motor is removed, and the dustbin cover drives the motor to rotate to a closed state.
Optionally, the workflow of the intelligent trash can further includes the steps of:
step 105: judging whether the short-circuited time of the motor is equal to the preset time or not:
step 106: if the short-circuited time of the motor is equal to the preset time, continuously judging whether the barrel cover is in a closed state,
step 107: if the barrel cover is not in a closed state, the audible and visual alarm device gives out audible and visual alarm to prompt that foreign matters block the barrel cover.
In the description herein, references to the description of "one embodiment," "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (6)
1. The utility model provides a device slowly falls of garbage bin bung which characterized in that includes:
the motor is used for being in transmission connection with the barrel cover;
the master control device is used for controlling the positive and negative rotation and braking of the motor;
the angle sensing device is used for sensing the rotation angle of the barrel cover; the angle sensing device is connected with the main control device in a communication mode, and when the barrel cover is closed to a preset angle, the main control device controls the motor to brake, so that the barrel cover drives the motor to rotate to a closed position.
2. The descent control device according to claim 1, wherein the main control device comprises an H-bridge circuit formed by overlapping four triodes, and the H-bridge circuit can control the forward and reverse rotation of the motor.
3. The descent device of claim 1, wherein the angle sensing device is a limit switch.
4. The descent control device of claim 1, further comprising a travel switch for detecting whether the lid is in the open or closed state.
5. The descent control device according to claim 4, further comprising an audible and visual alarm device communicably connected to the motor and the travel switch, wherein when the motor is in a shutdown state, the travel switch detects that the barrel cover is in an open state, and the audible and visual alarm device gives an audible and visual alarm.
6. An intelligent garbage can, characterized by comprising a can cover and a descent control device as claimed in any one of claims 1 to 5 connected with the can cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820934180.4U CN209834645U (en) | 2018-06-16 | 2018-06-16 | Slow descending device of dustbin cover and intelligent dustbin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820934180.4U CN209834645U (en) | 2018-06-16 | 2018-06-16 | Slow descending device of dustbin cover and intelligent dustbin |
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| CN209834645U true CN209834645U (en) | 2019-12-24 |
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| CN201820934180.4U Active CN209834645U (en) | 2018-06-16 | 2018-06-16 | Slow descending device of dustbin cover and intelligent dustbin |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108557347A (en) * | 2018-06-16 | 2018-09-21 | 上海拓牛智能科技有限公司 | Ramp-down device, intelligent garbage bin and its control method of dustbin bung |
| CN112591334A (en) * | 2020-12-17 | 2021-04-02 | 马宏 | Knee-touch type control circuit for medical sewage garbage can |
-
2018
- 2018-06-16 CN CN201820934180.4U patent/CN209834645U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108557347A (en) * | 2018-06-16 | 2018-09-21 | 上海拓牛智能科技有限公司 | Ramp-down device, intelligent garbage bin and its control method of dustbin bung |
| CN112591334A (en) * | 2020-12-17 | 2021-04-02 | 马宏 | Knee-touch type control circuit for medical sewage garbage can |
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Denomination of utility model: Slow lowering device for garbage bin lid and intelligent garbage bin Effective date of registration: 20230720 Granted publication date: 20191224 Pledgee: CHUZHOU DONLIM ELECTRICAL APPLIANCE Co.,Ltd. Pledgor: SHANGHAI TOWNEW INTELLIGENT TECHNOLOGY Co.,Ltd. Registration number: Y2023990000367 |