Control system of intelligent dustbin

Abstract

The utility model provides a control system of an intelligent dustbin. The control system comprises an automatic induction door opening unit and a raindrop induction unit. The automatic induction door opening unit comprises an induction probe, a normally open switch and a dual-output power-off delay relay; the raindrop sensing unit comprises a manual switch button, a raindrop control relay and a raindrop sensor; the raindrop control relay comprises a relay coil and a corresponding normally closed contact; the other end of the manual switch button is connected with the signal input end of the dual-output power-off time-delay relay through a wire; and the relay coil and the raindrop sensor are connected in series between the power supply and the ground. When it does not rain, the inductive probe induces that the human body gets close to or leaves the dustbin, and the double-output power-off time-delay relay controls the execution assembly to make corresponding actions to open or close the dustbin door. When it rains, a person manually presses the manual switch button, and the double-output power-off time-delay relay controls the execution assembly to make corresponding actions, so that the box door is opened or closed.

Description

Technical Field

[0001] The utility model belongs to the technical field of garbage bins, and in particular relates to a control system for an intelligent garbage bin. Background Art

[0002] A trash can is a container for holding garbage and waste, which can be seen everywhere. People place many trash cans outdoors and indoors to put garbage. The trash cans on the market are mainly divided into the following types: one is an open trash can, which has only an opening but no door. Although it is convenient to put garbage in, the garbage is exposed to the outside, and odors and mosquitoes are scattered everywhere, which is neither beautiful nor sanitary; another is a lidded trash can, which is provided with a door. Although it can hide the garbage in the trash can and make the surrounding environment clean and sanitary, people have to open the lid by hand before putting the garbage in, so that people can easily come into contact with germs and have the hidden danger of infection; the third is a pedal-type open-lid trash can, which does not require direct contact with the trash can, avoiding contact with germs, but this pedal-type open-lid trash can is generally small in size, and the lid is relatively small and light. It can be easily opened by stepping on the lid, and the pedal-type open-lid is not suitable for trash cans with heavy lids and large volumes.

[0003] With the development of science and technology, induction trash cans have gradually appeared on the market in recent years. Induction trash cans are controlled by circuit chips and consist of infrared detection devices and mechanical electronic drive systems. As long as a person approaches the sensing area, the lid will open automatically, and the lid will close automatically after the person leaves the sensing area for a few seconds. This type of trash can adopts an induction flip cover design, which is flexible and convenient. It can easily throw away garbage without manual or footstepping, which is convenient and hygienic, and avoids contact infection. The utility model patent "A smart environmentally friendly trash can" with application number 201710488533.2 converts solar energy into electrical energy through solar panels, and then uses a photovoltaic charging controller to charge the battery with a stable voltage. When a person approaches the infrared sensor at the front end of the box, the infrared sensor transmits a signal to the steering gear, and the steering gear rotates counterclockwise to drive the automatic shaft to rotate so that the automatic garbage door moves clockwise, and the automatic garbage door opens. When the person leaves the front end of the box, the steering gear returns to its initial state, and the automatic garbage door moves counterclockwise and returns to a closed state. However, the patent still has some shortcomings. The specific reasons are as follows: on rainy days, the infrared sensor is prone to malfunction, causing the steering gear to fail to work, the garbage door to fail to open, and the garbage bin to fail to be used. In addition, any failure in any component of the control system will cause the door of the garbage bin to fail to open. Utility Model Content

[0004] The utility model aims to provide a control system for an intelligent garbage bin, which can realize automatic opening and closing of a door of the garbage bin in any weather, and can open the door to put garbage even if a component is damaged.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions to achieve it.

[0006] A control system for an intelligent trash bin, comprising an automatic door-opening sensing unit and a raindrop sensing unit;

[0007] The automatic induction door opening unit includes an induction probe, a normally open switch and a dual-output power-off delay relay; the induction probe is connected to the normally open switch signal, one end of the normally open switch is connected to the power supply, and the other end is connected to the input end wire of the dual-output power-off delay relay;

[0008] The raindrop sensing unit includes a manual switch button, a raindrop control relay and a raindrop sensor; the raindrop control relay includes a relay coil and a corresponding normally closed contact; the normally closed contact is connected in series with the normally open switch, and the series circuit is connected in parallel with the manual switch button; one end of the normally open switch is connected to the power supply wire through the normally closed contact; one end of the manual switch button is connected to the power supply wire, and the other end of the manual switch button is connected to the signal input end of the dual-output power-off delay relay through a wire; the relay coil and the raindrop sensor are connected in series between the power supply and the ground.

[0009] In the control system of the above-mentioned intelligent garbage bin, the dual-output power-off delay relay includes a positive power supply terminal, a ground terminal, a signal input terminal, a delay module and a double-pole double-throw relay; the double-pole double-throw relay includes a first group of output terminals and a second group of output terminals; the first group of output terminals includes a first normally open contact, a first contact common terminal and a first normally closed contact; the second group of output terminals includes a second normally open contact, a second contact common terminal and a second normally closed contact; the other end of the normally open switch is connected to the signal input terminal wire of the dual-output power-off delay relay.

[0010] In the control system of the above-mentioned smart trash can, the raindrop sensor includes a metal box, a positive electrode and a negative electrode; the positive electrode and the negative electrode are arranged inside the metal box; one end of the positive electrode is connected to the relay coil wire, and one end of the negative electrode is connected to the metal box wire and grounded; a gap is left between the positive electrode and the negative electrode.

[0011] In the control system of the above-mentioned intelligent trash can, the control system is powered by a solar power supply system; the solar power supply system includes a solar panel, a solar controller and a battery; the solar panel is connected to the solar controller with a wire, and the battery is connected to the solar controller with a wire.

[0012] In the control system of the above-mentioned intelligent trash can, the output end of the double-pole double-throw delay relay is also connected to the speaker driver, the speaker driver is connected to the positive terminal of the broadcasting speaker, and the negative terminal of the broadcasting speaker is grounded.

[0013] In the control system of the above-mentioned intelligent garbage bin, a rectifier diode is arranged between the output end of the double-pole double-throw delay relay and the speaker driver.

[0014] The beneficial effects of the utility model are as follows:

[0015] 1. The utility model realizes the intelligent control of the opening and closing of the door of the garbage bin under different weather conditions. When it is not raining, the sensing probe senses that the human body is approaching or leaving the garbage bin, and the dual-output power-off delay relay controls the execution assembly to make corresponding actions to automatically open or close the door of the garbage bin; during the entire garbage delivery process, people do not need to touch the garbage bin, avoiding contact with germs. At the same time, a raindrop sensing unit is added to the control assembly. When the raindrop sensor senses rain, the raindrop sensing unit is energized, and the raindrop sensing unit will shield the sensing probe to prevent the sensing probe from mistakenly triggering the opening of the delivery door due to sensing raindrops, causing water to fill the garbage bin. If you need to put out garbage when it rains, you manually press the manual switch button, and the dual-output power-off delay relay can also control the execution assembly to make corresponding actions to realize the automatic opening or closing of the door.

[0016] 2. In the utility model, each door of the bin is equipped with an independent electric push rod, a switch button and an automatic sensing door opening unit. The control assembly of the garbage bin can independently control the automatic opening or closing of each door, which is convenient for the garbage collector to place garbage from different positions and directions. It also serves as a functional backup. Even if one door fails, it will not affect the use, thereby improving the reliability of the product.

[0017] 3. The utility model adopts a solar power supply system to power the control mechanism and circuit, which is energy-saving and environmentally friendly and convenient for on-site installation. In addition, a broadcasting speaker is added to the product to remind and guide the garbage disposal operator to operate, which has a strong user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the intelligent trash can of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the utility model when the execution assembly pushes out the door of the garbage bin;

[0020] Figure 3 It is a structural schematic diagram of the execution assembly of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the electric push rod of the utility model;

[0022] Figure 5 The circuit diagram of the control assembly and solar power supply system of the utility model;

[0023] Figure 6This is a schematic diagram of the structure of the dual-output power-off delay relay of the utility model;

[0024] Figure 7 This is a schematic diagram of the structure of the raindrop sensor of the utility model;

[0025] Figure 8 This is the appearance diagram of the control box of the utility model;

[0026] Fig. 9 This is a schematic diagram of the internal structure of the control box of the utility model;

[0027] Fig.10 This is a schematic diagram of the structure of the intelligent trash bin of the utility model when the door is closed;

[0028] Fig.11 It is a structural schematic diagram of manually opening the box door of the utility model.

[0029] In the figure: 1. Box body; 2. Control assembly; 3. Box door; 4. Arc connector; 5. Roller; 6. Automatic induction door opening unit; 7. Electric push rod; 8. Disc; 9. Motor; 10. Telescopic rod; 11. Induction probe; 12. Normally open switch; 13. Dual output power-off delay relay; 14. Normally closed contact; 15. Manual switch button; 16. Relay coil; 17. Raindrop sensor; 18. Fuse; 19. Solar panel; 20. Solar controller; 21. Battery; 22. Solar power supply system; 23. Main power switch; 24. Speaker driver; 25. Broadcasting speaker; 26. Metal box; 27. Positive electrode; 28. Negative electrode; 29. ​​Control box; 30. Rectifier diode; 31. Raindrop entry hole; 32. Drain hole; 33. Execution box; 34. Double-pole double-throw relay; 35. Delay module; 36. Raindrop control relay. DETAILED DESCRIPTION

[0030] The utility model provides an intelligent garbage bin with automatic door opening and closing, comprising a bin body 1, a control assembly 2, an execution assembly, a solar power supply system 22 and a control box 29.

[0031] like Figure 1 and Figure 2 As shown, one or more doors 3 are arranged on the box body 1 , an arc-shaped connecting member 4 is fixed on the inner wall of each door 3 , and a roller 5 is arranged at the end of the arc-shaped connecting member 4 .

[0032] like Figure 2 As shown, the execution assembly includes an electric push rod 7 corresponding to each door 3 and an execution box 33. Figure 4As shown, the electric push rod 7 includes a motor 9 and a telescopic rod 10. The electric push rod 7 is an electric drive device that converts the rotational motion of the motor 9 into the linear reciprocating motion of the telescopic rod 10. The electric push rod 7 is a mature product sold on the market and can be purchased directly from the market. Figure 2 and Figure 3 As shown, a disc 8 is disposed at the end of each telescopic rod 10. The motor 9 of the electric push rod 7 is disposed inside the execution box 33, the telescopic rod 10 passes through the execution box 33, and the disc 8 disposed at the end of the telescopic rod 10 is located outside the execution box 33; the execution box 33 is disposed inside the box body 1 and fixed on the inner wall of the box body 1.

[0033] like Figure 5 As shown, the control assembly 2 includes an automatic sensing door opening unit 6 corresponding to each door 3, a raindrop sensing unit and a main power switch 23.

[0034] like Figure 5 As shown, each set of automatic induction door opening unit 6 includes an induction probe 11, a normally open switch 12 and a dual-output power-off delay relay 13. The induction probe 11 and the normally open switch 12 are signal-connected.

[0035] like Figure 6 As shown, the dual-output power-off delay relay 13 includes a positive power supply terminal V+, a ground terminal GND, a signal input terminal IN, a delay module 35 and a double-pole double-throw relay 34. The positive power supply terminal V+ of the dual-output power-off delay relay 13 is directly connected to the power supply. The double-pole double-throw relay 34 includes a first group of output terminals and a second group of output terminals; the first group of output terminals includes a first normally open contact NO1, a first contact common terminal COM1 and a first normally closed contact NC1; the second group of output terminals includes a second normally open contact NO2, a second contact common terminal COM2 and a second normally closed contact NC2. The dual-output power-off delay relay 13 is a product purchased directly from the market, and its product model is QF-RD21N2. The dual-output power-off delay relay 13 has a delayed disconnection function.

[0036] like Figure 5 As shown, the raindrop sensing unit includes a raindrop sensor 17, a raindrop control relay 36 and a manual switch button 15 corresponding to each door 3. The raindrop control relay 36 includes a relay coil 16 and a normally closed contact 14 corresponding to each door 3. The normally closed contact 14 is connected in series with the normally open switch 12, and the series circuit is connected in parallel with the manual switch button 15. One end of the normally open switch 12 is connected to the power wire through the normally closed contact 14, and one end of the manual switch button 15 is connected to the power wire.

[0037] The other end of the normally open switch 12 or the other end of the manual switch button 15 is connected to the signal input terminal IN of the dual output power-off delay relay 13 through a wire. Figure 6As shown, the first contact common terminal COM1 of the dual output power-off delay relay 13 is connected to the positive terminal wire of the motor 9, and the second contact common terminal COM2 is connected to the negative terminal wire of the motor 9. A fuse 18 is provided between the first contact common terminal COM1 of the dual output power-off delay relay 13 and the motor 9.

[0038] The relay coil 16 and the raindrop sensor 17 are connected in series between the power supply and the ground.

[0039] like Figure 7 As shown, the raindrop sensor 17 includes a metal box 26, a positive electrode 27 and a negative electrode 28. The positive electrode 27 and the negative electrode 28 are arranged inside the metal box 26; one end of the positive electrode 27 is connected to the wire of the relay coil 16, and one end of the negative electrode 28 is connected to the wire of the metal box 26 and grounded; an air gap is left between the positive electrode 27 and the negative electrode 28. A raindrop inlet hole 31 is provided at the upper end of the metal box 26, and a drainage hole 32 is provided at the lower end of the metal box 26. An air gap is left between the positive electrode 27 and the negative electrode 28 of the raindrop sensor 17, and it is in a disconnected state when there are no water drops at ordinary times; when it rains, rainwater contacts the positive electrode 27 and the negative electrode 28 at the same time, and the conductivity of water makes the positive electrode 27 and the negative electrode 28 connected and current passes, and the raindrop sensor 17 is in a conducting state.

[0040] like Figure 5 As shown, the first contact common terminal COM1 of all the dual-output power-off delay relays 13 is also connected to the speaker driver 24, the speaker driver 24 is connected to the positive terminal of the broadcasting speaker 25, and the negative terminal of the broadcasting speaker 25 is grounded. A rectifier diode 30 is provided between the first contact common terminal COM1 of the dual-output power-off delay relay 13 and the speaker driver 24. The speaker driver 24 adopts a mature product sold on the market, and can record prompt sounds such as "Please press the manual button on rainy days", "Please put in the garbage when the box door is open", and "Thank you for your cooperation" to remind people.

[0041] like Figure 5 As shown, the solar power supply system 22 supplies power to the control assembly 2; the solar power supply system 22 includes a solar panel 19, a solar controller 20 and a battery 21; the solar panel 19 is connected to the solar controller 20 by wires, and the battery 21 is connected to the solar controller 20 by wires.

[0042] like Figure 1 As shown, the control box 29 is arranged outside the box body 1 and fixed on the top of the box body 1. Fig. 9As shown, the solar controller 20, the battery 21, all the dual output power-off delay relays 13, all the normally open switches 12, all the fuses 18, all the rectifier diodes 30, the speaker driver 24, the broadcasting speaker 25 and the raindrop control relay 36 are all arranged inside the control box 29. The main power switch 23, all the induction probes 11, all the manual switch buttons 15 and the raindrop sensor 17 are arranged on the side wall of the control box 29. Figure 8 As shown, the solar panel 19 is arranged on the top of the control box 29.

[0043] The method for automatically opening and closing the door of the intelligent garbage bin of the utility model is as follows:

[0044] When there is sufficient sunlight, the solar panel 19 collects sunlight and converts light energy into electrical energy, which is then supplied to the control assembly 2 through the solar controller 20, providing a 12V DC voltage to the control assembly 2. The solar controller 20 can also charge the battery 21 and store the electrical energy in the battery 21. In the absence of sunlight, the battery 21 can also supply power to the control assembly 2 through the solar controller 20. The solar controller 20 can monitor the working status of the solar panel 19 in real time, adjust the power output status, and protect the circuit of the control assembly 2. The solar controller 20 is a mature product on the market and can be purchased directly.

[0045] The positive terminal V+ of the power supply of the dual-output power-off delay relay 13 is connected to a 12V DC voltage (provided by the solar power supply system 22 ), and the delay module 35 is pre-set with a delay disconnection time.

[0046] When it is not raining, the positive electrode 27 and the negative electrode 28 of the raindrop sensor 17 are in a disconnected state, the relay coil 16 is not energized, the normally closed contact 14 is in a closed state, and the normally open switch 12 is connected to a 12V DC voltage (provided by the solar power supply system 22) through the normally closed contact 14. When a person approaches the trash can, the induction probe 11 senses a signal, the corresponding normally open switch 12 is closed, and the signal input terminal IN of the corresponding dual-output power-off delay relay 13 obtains a 12V high level, and the double-pole double-throw relay 34 is actuated: the first contact common terminal COM1 is connected to the first normally open contact NO1, and the second contact common terminal COM2 is connected to the second normally open contact NO2; the dual-output power-off delay relay 13 outputs a positive 12V voltage to the motor 9, and the corresponding motor 9 works and rotates forward, extending the telescopic rod 10, and the disc 8 at the end of the telescopic rod 10 pushes the roller 5 to push the box door 3 out, and the box door 3 is opened for people to throw garbage. Figure 2As shown. When a person leaves the trash bin, the induction probe 11 senses that the signal disappears, the corresponding normally open switch 12 is disconnected, and the corresponding signal input terminal IN of the dual-output power-off delay relay 13 has no 12V high-level input, but during the delay time, the double-pole double-throw relay 34 remains in its original state, and the door 3 is still in the open state. After the delay time is over, the double-pole double-throw relay 34 switches: the first contact common terminal COM1 is connected to the first normally closed contact NC1, and the second contact common terminal COM2 is connected to the second normally closed contact NC2; the dual-output power-off delay relay 13 outputs a reverse 12V voltage to the motor 9, and the corresponding motor 9 rotates in the opposite direction, the telescopic rod 10 retracts, and the door 3 is closed. Fig.10 After the telescopic rod 10 is fully retracted, the limit switch inside the motor 9 is actuated to cut off the power supply, and the motor 9 stops working.

[0047] When it rains, the battery 21 supplies power to the control assembly 2 through the solar controller 20. Rainwater drips into the metal box 26 through the raindrop inlet hole 31. When the rainwater contacts the positive electrode 27 and the negative electrode 28 at the same time, the conductivity of the water will make the positive electrode 27 and the negative electrode 28 connected and current will pass through, the raindrop sensor 17 will be turned on, and then the voltage will be applied to the relay coil 16, all the normally closed contacts 14 will be disconnected, and then all the sensing probes 11 will be shielded, making all the sensing probes 11 unusable, and the normally open switch 12 will be in the disconnected state; if the sensing probe is not shielded, when it rains, rainwater drips on the sensing probe, the sensing probe will have an induction signal, and the dual output power-off delay relay will open the box door. If the box door is in the open state for a long time, a large amount of rainwater will pour into the garbage bin. In order to prevent such a situation from happening, the control assembly has added a raindrop sensing unit. When the raindrop sensor senses rainwater, the raindrop sensing unit is energized, and the raindrop sensing unit will shield all the sensing probes. The manual switch button 15 is connected to a 12V DC voltage (provided by the solar power supply system 22). If garbage needs to be disposed, the person presses the manual switch button 15, and the manual switch button 15 is closed. The corresponding signal input terminal IN of the dual-output power-off delay relay 13 obtains a 12V high level, and the double-pole double-throw relay 34 is actuated: the first contact common terminal COM1 is connected to the first normally open contact NO1, and the second contact common terminal COM2 is connected to the second normally open contact NO2; the dual-output power-off delay relay 13 outputs a positive 12V voltage to the motor 9, and the corresponding motor 9 works and rotates forward, extending the telescopic rod 10, and the disc 8 at the end of the telescopic rod 10 pushes the roller 5 to push the box door 3 out, and the box door 3 is opened for people to throw garbage. Figure 2As shown. After pressing, the manual switch button 15 rebounds and disconnects, and the corresponding signal input terminal IN of the dual-output power-off delay relay 13 has no 12V high-level input, but during the delay time, the double-pole double-throw relay 34 still maintains the original state, and the door 3 is still in the open state. After the delay time is over, the double-pole double-throw relay 34 switches: the first contact common terminal COM1 is connected to the first normally closed contact NC1, and the second contact common terminal COM2 is connected to the second normally closed contact NC2; the dual-output power-off delay relay 13 outputs a reverse 12V voltage to the motor 9, and the corresponding motor 9 rotates in the opposite direction, the telescopic rod 10 retracts, and the door 3 is closed. Fig.10 After the telescopic rod 10 is fully retracted, the limit switch inside the motor 9 is actuated to cut off the power supply, and the motor 9 stops working.

[0048] like Fig.11 As shown, if any of the solar power supply system 22, the control assembly 2 or the execution assembly fails and cannot be used, people can put out garbage by manually opening the door 3 through the handle without affecting the normal use of the garbage bin.

Claims

1. A control system for an intelligent trash bin, characterized in that: It includes an automatic door opening sensing unit (6) and a raindrop sensing unit; The automatic induction door opening unit (6) comprises an induction probe (11), a normally open switch (12) and a dual-output power-off delay relay (13); the induction probe (11) and the normally open switch (12) are signal-connected, one end of the normally open switch (12) is connected to a power source, and the other end is connected to an input end wire of the dual-output power-off delay relay (13); The raindrop sensing unit comprises a manual switch button (15), a raindrop control relay (36) and a raindrop sensor (17); the raindrop control relay (36) comprises a relay coil (16) and a corresponding normally closed contact (14); the normally closed contact (14) is connected in series with a normally open switch (12), and the series circuit is connected in parallel with the manual switch button (15); one end of the normally open switch (12) is connected to a power supply wire through the normally closed contact (14); one end of the manual switch button (15) is connected to the power supply wire, and the other end of the manual switch button (15) is connected to a signal input terminal (IN) of a dual-output power-off delay relay (13) through a wire; the relay coil (16) and the raindrop sensor (17) are connected in series between a power supply and a ground.

2. The control system of a smart trash bin according to claim 1, characterized in that: The dual-output power-off delay relay (13) comprises a positive power supply terminal (V+), a ground terminal (GND), a signal input terminal (IN), a delay module (35) and a double-pole double-throw relay (34); the double-pole double-throw relay (34) comprises a first group of output terminals and a second group of output terminals; the first group of output terminals comprises a first normally open contact (NO1), a first contact common terminal (COM1) and a first normally closed contact (NC1); the second group of output terminals comprises a second normally open contact (NO2), a second contact common terminal (COM2) and a second normally closed contact (NC2); the other end of the normally open switch (12) is connected to a wire of the signal input terminal (IN) of the dual-output power-off delay relay (13).

3. The control system of a smart trash bin according to claim 1, characterized in that: The raindrop sensor (17) comprises a metal box (26), a positive electrode (27) and a negative electrode (28); the positive electrode (27) and the negative electrode (28) are arranged inside the metal box (26); one end of the positive electrode (27) is connected to the wire of the relay coil (16), and one end of the negative electrode (28) is connected to the wire of the metal box (26) and is grounded; an air gap is left between the positive electrode (27) and the negative electrode (28).

4. A control system for an intelligent garbage bin according to claim 1 or 2, characterized in that: The control system is powered by a solar power supply system (22); the solar power supply system (22) comprises a solar panel (19), a solar controller (20) and a storage battery (21); the solar panel (19) is connected to the solar controller (20) by wires, and the storage battery (21) is connected to the solar controller (20) by wires.

5. A control system for an intelligent garbage bin according to claim 1 or 2, characterized in that: The output end of the dual-output power-off delay relay (13) is also connected to the speaker driver (24), the speaker driver (24) is connected to the positive terminal of the broadcasting speaker (25), and the negative terminal of the broadcasting speaker (25) is grounded.

6. The control system of a smart trash bin according to claim 5, characterized in that: A rectifier diode (30) is provided between the output end of the dual-output power-off delay relay (13) and the speaker driver (24).

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