CN111891595A - A trash can that can play the role of dry and wet separation - Google Patents

Abstract

The invention relates to the technical field of garbage classification, in particular to a trash can that can play the role of dry and wet separation. It includes a solid waste box and a liquid waste box. The top plate is provided with a throwing port through the top plate. The bottom of the solid waste box is evenly provided with a plurality of liquid leakage holes. The bottom of the solid waste box is respectively provided with strip-shaped slit holes. The tank includes a liquid storage tank and a connection cover, and the top of the connection cover is provided with a bayonet for snap-fit of the solid waste container. In the trash can that can play the role of dry and wet separation, a solid trash can and a liquid trash can are arranged. The liquid inside the solid trash flows into the liquid trash can through the bayonet for storage, while the solid trash remains in the solid trash can to realize the dryness of the trash. Wet classification, solid waste bins and liquid waste bins are combined installations. After disassembly, they can be used independently of each other, and can be changed according to actual applications.

Description

A trash can that can play the role of dry and wet separation

technical field

The invention relates to the technical field of garbage classification, in particular to a trash can that can play the role of dry and wet separation.

Background technique

For conventional garbage cans, all garbage is put together. For laboratories with infection requirements or garbage classification requirements, dry and wet garbage need to be separated. For existing dry and wet garbage, two garbage cans need to be prepared. Take out the liquid waste into one trash can and put any unused culture tubes, pipette tips, straws, etc. into another trash can. Increase the workload and sometimes forget to manually re-sort the waste.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a trash can that can play the role of dry and wet separation, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present invention provides a trash can that can play the role of dry and wet separation, including a solid trash can and a liquid trash can. It is a hollow structure, the top of the solid waste box is integrally formed with a top plate, the top plate is provided with a throwing port that penetrates the top plate, and the bottom of the solid waste box is evenly provided with a plurality of liquid leakage holes. There are strip-shaped slit holes around the bottom, the liquid waste box includes a liquid storage tank and a connection cover, the liquid storage tank and the connection cover are hinged by a hinge, and the top of the connection cover is provided with a solid waste box for snap fit. the bayonet.

Preferably, the inner wall of the solid waste bin is provided with an inner sleeve, the inner sleeve is in the shape of a prism with a wide mouth and a narrow bottom, and the inner sleeve is a hollow structure that penetrates up and down, and the inner wall of the inner sleeve is respectively provided with a plurality of groove.

Preferably, one side of the connecting cover is provided with an inwardly recessed groove.

Preferably, a sealing ring is provided at the top of the connection cover near the outer edge of the bayonet.

Preferably, a flip cover for blocking the injection port is installed in the top plate, the flip cover is rotatably connected to the top plate through a rotating mechanism, the inner wall of the top plate is provided with a rectangular inner groove, and the inner walls on both sides of the injection port are A through hole communicating with the inner groove is respectively opened, the rotating mechanism includes a rotating shaft rotatably connected to the through holes on both sides, both ends of the rotating shaft pass through the through hole and are located in the inner groove, and one end of the rotating shaft is installed with a rotating shaft. Drive bevel teeth, inside the inner slot close to one end of the drive bevel tooth is meshed with a drive bevel tooth, inside the inner slot is installed a stepping motor for driving the drive bevel tooth to rotate, and the other end of the rotating shaft is connected to the inner slot through a bearing. In the inner wall, at least two connecting blocks are installed on the outer wall of the rotating shaft, the flip cover includes a baffle, and one end of the baffle is integrally formed with an "L"-shaped connecting plate, and the connecting block is installed at the outer wall of the connecting plate. .

Preferably, a photoelectric signal sensor for sensing is installed on the outer wall of the solid waste bin, and the photoelectric signal sensor is signally connected to the stepping motor.

Preferably, a voice recognizer for recognizing voice is provided on the top of the solid waste bin, and the voice recognizer is signally connected to the stepping motor.

Preferably, at least two ultraviolet sterilization lamps are installed on the inner wall of the inner tank.

Preferably, the outer wall of the solid waste container is provided with a charging port.

Compared with the prior art, the beneficial effects of the present invention:

1. In the trash can that can play the role of dry and wet separation, a solid trash can and a liquid trash can are arranged. The liquid inside the solid trash flows to the liquid trash can through the bayonet for storage, while the solid trash remains in the solid trash can to achieve Wet and dry sorting of garbage.

2. In the trash can that can play the role of dry and wet separation, the solid trash can and the liquid trash can are installed in combination. After disassembly, they can be used independently of each other, and can be changed according to the actual application.

3. In the trash can that can play the role of dry and wet separation, an inner sleeve is arranged in the solid waste box, and the drainage of the water source inside the solid waste is realized through the groove to prevent the water source from splashing.

4. In the trash can that can play the role of dry and wet separation, the sealing ring is provided to increase the stability of the connection between the solid trash can and the liquid trash can. On the other hand, the sealing effect of the connection between the solid trash can and the liquid trash can is improved.

5. In the trash can that can play the role of dry and wet separation, the opening and closing of the flip cover is realized by a stepper motor. After opening the flip cover, it is convenient to put garbage, and after closing the flip cover, the solid garbage can is sealed as a whole.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Figure 2 is a schematic structural diagram of a solid waste bin of the present invention;

Fig. 3 is the inner sleeve structure schematic diagram of the present invention;

4 is a schematic diagram of the bottom structure of the solid waste bin of the present invention;

5 is a schematic diagram of the front structure of the liquid waste bin of the present invention;

6 is a schematic diagram of the structure of the back of the liquid waste bin of the present invention;

7 is a schematic diagram of the installation structure of the flip cover of the present invention;

8 is a schematic diagram of the rotating mechanism and the top plate installation structure of the present invention;

9 is a schematic diagram of the structure of the flip cover of the present invention;

10 is a schematic diagram of the overall structure in Embodiment 2 of the present invention;

Fig. 11 is the photoelectric signal sensor and the stepper motor signal transmission module diagram of the present invention;

Fig. 12 is the working principle diagram of the photoelectric sensor module of the present invention;

Fig. 13 is the pin diagram of the STC89C52RC single-chip microcomputer of the present invention;

Fig. 14 is the working principle diagram of the reset circuit module of the present invention;

Fig. 15 is the working principle diagram of the crystal oscillator circuit module of the present invention;

Fig. 16 is the working principle diagram of the motor drive module of the present invention;

Fig. 17 is the working principle diagram of the delay circuit module of the present invention;

18 is a schematic diagram of the overall structure in Embodiment 3 of the present invention;

Fig. 19 is the speech recognizer of the present invention and the stepper motor signal transmission module diagram;

FIG. 20 is a framework diagram of the working principle of the LD3320 chip of the present invention;

Fig. 21 is the overall flow frame diagram of the speech recognizer of the present invention controlling the stepping motor;

22 is a schematic diagram of the overall structure of the ultraviolet sterilization lamp in the fourth embodiment of the present invention;

FIG. 23 is a schematic diagram of the overall structure in Embodiment 5 of the present invention.

The meanings of the symbols in the figure are:

100, solid waste bin; 101, leakage hole; 102, slit hole;

110, top plate; 111, delivery port; 112, inner groove; 113, through hole;

120, inner sleeve; 121, groove;

130, flip cover; 131, baffle plate; 132, connecting plate;

140, rotating mechanism; 141, rotating shaft; 142, transmission bevel teeth; 143, driving bevel teeth; 144, stepping motor; 145, bearing; 146, connecting block;

200. Liquid trash can;

210. Liquid storage tank;

220, connecting cover; 221, bayonet; 222, sealing ring; 223, groove;

230, hinge;

300, photoelectric signal sensor; 400, charging port; 500, voice recognition device; 600, ultraviolet sterilization lamp.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc., or The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation of the present invention.

In addition, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Example 1

The present invention provides a trash can that can play the role of dry and wet separation. As shown in FIGS. 1-9 , it includes a solid trash can 100 and a liquid trash can 200. The solid trash can 100 is in the shape of a pyramid with a wide mouth and a narrow bottom. And the inside of the solid waste bin 100 is a hollow structure, which is convenient to recycle the solid waste in the solid waste bin 100. At the same time, the water source inside the solid waste can slide down along the inner wall of the solid waste bin 100, and the internal water source of the solid waste can be drained. Wet and dry separation of garbage.

Further, the top of the solid waste bin 100 is integrally formed with a top plate 110 , and the top plate 110 is provided with a throw-in port 111 penetrating the top plate 110 . within 100.

Specifically, a plurality of liquid leakage holes 101 are evenly opened at the bottom of the solid waste bin 100. The liquid leakage holes 101 are circular in shape, and the liquid leakage holes 101 penetrate through the bottom of the solid waste bin 100 to facilitate the discharge of liquid from the liquid leakage holes 101. At the same time, To prevent the solid waste from falling, the bottom of the solid waste box 100 is respectively provided with strip-shaped slit holes 102. The width of the slit hole 102 is adapted to the diameter of the leakage hole 101, which can prevent the solid waste from falling, and at the same time, increase the liquid The speed of the leakage to prevent the liquid from clogging.

In addition, the liquid waste container 200 includes a liquid storage tank 210 and a connection cover 220. The liquid storage tank 210 and the connection cover 220 are hinged through a hinge 230, so that the connection cover 220 can be easily opened and the liquid inside the liquid waste container 200 is processed. The connection cover 220 There is a bayonet 221 for the solid waste bin 100 to be snap-fitted on the top of the fuselage. When the solid waste bin 100 is fixed at the bayonet 221, the solid waste is directly put into the solid waste bin 100, and the liquid inside the solid waste passes through the bayonet. 221 flows into the liquid waste bin 200 for storage to achieve dry and wet classification of waste. At the same time, after the solid waste bin 100 is disassembled from the liquid waste bin 200, it can be used independently of each other, and can be changed according to actual applications.

Specifically, the inner wall of the solid waste container 100 is provided with an inner sleeve 120, and the inner sleeve 120 is in the shape of a prism with a wide mouth and a narrow bottom, so that the inner sleeve 120 is attached to the inner wall of the solid waste container 100. Preferably, the inner sleeve 120 The outer wall and the inner wall of the solid waste bin 100 are bonded and fixed by waterproof glue, and the inner sleeve 120 is a hollow structure that penetrates up and down. The inner wall of the inner sleeve 120 is respectively provided with a plurality of grooves 121, so that the water source inside the solid waste can follow the grooves 121. out to prevent water splashing.

Further, one side of the connecting cover 220 is provided with an inwardly recessed groove 223, which is convenient to increase the force application point on the connecting cover 220, and the connecting cover 220 can be easily opened by inserting fingers into the groove 223.

Specifically, a sealing ring 222 is provided at the top of the connection cover 220 near the outer edge of the bayonet 221, and the sealing ring 222 is preferably made of silica gel. The narrow bottom is pyramid-shaped, when the solid waste container 100 is pressed downward, the sealing ring 222 is clamped on the outer wall of the solid waste container 100. On the one hand, it increases the stability of the connection between the solid waste In one aspect, the sealing effect of the connection between the solid waste container 100 and the liquid waste container 200 is improved.

It is worth noting that the top plate 110 is provided with a flip cover 130 for blocking the injection port 111 , the flip cover 130 is rotatably connected to the top plate 110 through the rotating mechanism 140 , and a rectangular inner groove 112 is formed on the inner wall of the top plate 110 . The inner walls on both sides are respectively provided with through holes 113 that communicate with the inner groove 112 , the rotating mechanism 140 includes a rotating shaft 141 rotatably connected to the through holes 113 on both sides, and both ends of the rotating shaft 141 pass through the through holes 113 and are located in the inner groove 112 One end of the rotating shaft 141 is installed with a transmission bevel tooth 142, and one end of the inner groove 112 close to the transmission bevel tooth 142 is engaged with a driving bevel tooth 143. The rotation of the driving bevel tooth 143 can drive the transmission bevel tooth 142 to rotate, thereby driving the rotating shaft 141 to rotate between the two The through hole 113 rotates inside, and the inner groove 112 is equipped with a stepper motor 144 for driving the drive bevel gear 143 to rotate, which is convenient to drive the drive bevel gear 143 to rotate through the stepper motor 144. At the same time, the stepper motor 144 has mature control technology and can be adjusted reasonably During the stroke, the other end of the rotating shaft 141 is rotatably connected to the inner wall of the inner groove 112 through the bearing 145 to ensure the smooth rotation of the rotating shaft 141. At least two connecting blocks 146 are installed on the outer wall of the rotating shaft 141. The flip 130 includes a baffle 131, and one end of the baffle 131 is integrated An “L” shaped connecting plate 132 is formed, and the connecting plate 132 is connected to the lower end of the baffle 131. When the flip cover 130 is rotated and opened, the connecting plate 132 rotates downward, so that the connecting plate 132 rotates into the solid waste bin 100, The baffle 131 has a suitable rotation space in the injection port 111, and the connecting block 146 is installed at the outer wall of the connecting plate 132, and the connecting block 146 is driven to rotate through the rotating shaft 141, and the connecting plate 132 is driven to rotate, so as to realize the opening and closing of the flip 130. .

Example 2

As the second embodiment of the present invention, in order to realize gesture recognition to open the flip 130, the present invention improves the solid waste bin 100. As a preferred embodiment, as shown in FIGS. 10-17, the outer wall of the solid waste bin 100 is A photoelectric signal sensor 300 for sensing is installed, and the photoelectric signal sensor 300 and the stepping motor 144 are signally connected.

In this embodiment, the working principle of the photoelectric signal sensor 300 is shown in Figure 12. The photoelectric signal sensor 300 includes three reciprocal RPR220 sensor circuits. The 4-pin of RPR220 is connected to the positive electrode of LM393, and the negative input of LM393 is connected to the sliding rheostat. When When RPR220 detects light injection, the positive input voltage of LM393 is 0, so the negative input voltage of LM393 is greater than the positive input, and the microcontroller executes the program. On the contrary, when no light injection is detected, the program is not executed.

Further, the RPR220 is an integrated reflective photodetector. The RPR220 plastic lens enables these sensors to have high sensitivity, and its built-in visible light filter can also reduce the influence of discrete light on the measurement.

Specifically, the photoelectric signal sensor 300 is connected to the stepper motor 144 through the STC89C52RC single-chip microcomputer. The pins of the STC89C52RC single-chip microcomputer are shown in Figure 13. The STC89C52RC single-chip microcomputer has internal RAM-128 bytes; 1 full-duplex serial communication port; 16-bit 2 timers; Flash flash storage—4K bytes; 32 programmable I/O ports; clock circuit and counter on-chip oscillator; 1 5-vector two-level interrupt structure, the central processing unit CPU of this embodiment It will stop working when the control system is in idle mode, but not all components stop working at this time, such as random access memory RAM, serial communication port timing/counter and interrupt system are allowed to continue to work. When the control system is in a power-down state, its oscillator will be stopped, and all other components will be prohibited from working until the next hardware reset, but the contents of the random access memory RAM will be saved.

Further, the STC89C52RC microcontroller is also provided with a reset circuit module, a crystal oscillator circuit module, a data receiving module and a motor drive module. The working principle of the reset circuit module is shown in Figure 14. Adding a capacitor to a short signal on the RST side, due to the instantaneous The power charging current of the capacitor is the largest, so the capacitor is equivalent to a short circuit, that is, RST turns off a high signal. Once the voltage across the capacitor reaches the same voltage value as the power supply Vcc, the charge of the current to the capacitor is reduced to zero, that is, it stops charging the capacitor, the capacitor is equivalent to open, the RST terminal is low, and the program can run normally.

Among them, the working principle of the crystal oscillator circuit module is shown in Figure 15. One 20uF 12MH crystal oscillator and two load capacitors are used to form the crystal oscillator circuit. Its two ends are the XTAL1 port and the XTAL2 port, which are mainly used to connect the single chip microcomputer and the crystal oscillator circuit. An important part is the crystal oscillator, whose role is to provide a basis for the system frequency. The frequency of the crystal oscillator is affected by the running speed of the single-chip microcomputer, and in general, the frequency of the crystal oscillator becomes higher and higher.

When in use, when the single-chip microcomputer is turned on through the reset circuit module, the power-on reset is performed, the basic clock signal is provided for the single-chip microcomputer through the crystal oscillator circuit module, and the photoelectric signal detected by the photoelectric signal sensor 300 is received through the data receiving module. After the signal is processed, it is fed back to the motor drive module. The working principle of the motor drive module is shown in Figure 16. The ULN2003 chip is used. When the ULN2003 is high voltage, it can run in parallel with the high load current, and when the 50V voltage is turned off, its current is large. The sink current can reach 500mA, the interface between the ULN2003 chip and the circuit is relatively simple, only the ULN2003 chip is 4, 5, 6, 7 pins, and the microcontroller P2.3, P2.2, P2.1, P2.0 The ports are connected as the micro and the motor driver are connected to 1, 2, 3 and 4 of the stepper motor 144 respectively to control the forward and reverse direction of the stepper motor 144, the 5 pin of the stepper motor 144 is connected to the power input and the 8 pin Ground wire.

Further, the input drive ports of ULN2003 are P2.0(A), P2.1(B), P2.2(C), P2.3(D), which control the forward rotation sequence of stepper motor 144: group AB— BC group-CD group-DA group; reverse order: AB group-AD group-CD group-CB group.

At the same time, a delay circuit module is also set in the single-chip microcomputer. The delay circuit module is used to control the delayed rotation of the stepping motor 144. The working principle of the delay circuit module is shown in Figure 17. The delay circuit adopts an RC delay circuit, and R1 Charge C1, and when the capacitor voltage reaches the base conduction voltage of the transistor, the transistor is turned on and the circuit is connected. The diode D1 is used to allow C1 to discharge quickly. The delay time formula is as follows:

Among them, V ₁ is the power supply voltage, V ₀ is the initial time voltage of the capacitor, and V _t is the capacitor voltage at time t.

Example 3

As the third embodiment of the present invention, in order to realize voice recognition to open the flip 130, the present invention improves the solid waste bin 100. As a preferred embodiment, as shown in FIGS. 18-21 , the top of the solid waste bin 100 is A voice recognizer 500 for recognizing voice is provided, and the voice recognizer 500 and the stepping motor 144 are signal-connected.

In this embodiment, the speech recognizer 500 is composed of a speech recognition module, a minimum system of a single-chip microcomputer, a wireless sending module and a wireless receiving module. The main chip of the speech recognition circuit adopts the LD3320 speech chip. After amplifying the voice signal, it is processed by the MSP430G2553 microprocessor to control the NRF24L01 wireless sending and receiving integrated chip to send the signal. When the wireless receiving module receives the signal, it is sent to the microprocessor to control the stepper motor to make corresponding actions.

Further, the microprocessor in this embodiment adopts the low-power MSP430G series 2553 microcontroller produced by Texas Instruments (TI) as the core control chip. The chip has a 16-bit RISC CPU, and the DCO can operate in less than 1us. In time, from low power mode to running mode wake-up, CCSv5.0 is used as the software development platform.

Specifically, the LD3320 voice chip supports non-specific voice recognition. The process of each recognition is to convert the voice content spoken by the user into voice features through spectrum, and then convert the converted voice features and the entries in the "keyword list". Matching is carried out one by one, and the best matching one is the recognition result.

In addition, the NRF24L01 chip is used for signal transmission and reception in the wireless receiving and sending circuits. It works in the world's universal ISM frequency band of 2.4-2.5GHZ. The wireless transceiver chip consists of a frequency generator, SchockburstTM mode controller, power amplifier, crystal Oscillator, modulator, demodulator,

When in use, initialize LD3320, adjust it to accept mode, receive voice data, and open up storage space for voice data; then adjust NRF24L01 to accept mode, read the status register, and open up storage space for accepted data; Initialization, after getting the voice signal from the LD3320, the stepper motor 144 is processed by the NRF24L01 to make the forward and reverse reactions.

Example 4

As the fourth embodiment of the present invention, in order to realize the sterilization function in the solid waste bin 100, the present invention further improves the inner tank 112. As a preferred embodiment, as shown in FIG. 22, the inner wall of the inner tank 112 is at least installed with Two ultraviolet sterilization lamps 600, and the ultraviolet sterilization lamp 600 is made of 40W blue ultraviolet disinfection lamps produced by Donghai Nuoxin Quartz Products Co., Ltd., which can sterilize the inner space of the solid waste bin 100 by ultraviolet rays.

Example 5

As a fifth embodiment of the present invention, as shown in FIG. 23 , a charging port 400 is opened on the outer wall of the solid waste container 100 , and a battery is installed in the solid waste container 100 , and the charging end of the battery is led out to the charging port 400 .

The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions are only preferred examples of the present invention, and are not intended to limit the present invention, without departing from the spirit and scope of the present invention. Under the premise, the present invention will also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. A trash can that can play a role of dry and wet separation, comprising a solid trash can (100) and a liquid trash can (200), characterized in that: the solid trash can (100) is a prism with a wide mouth and a narrow bottom The solid waste box (100) has a hollow structure inside, the top of the solid waste box (100) is integrally formed with a top plate (110), and the top plate (110) is provided with a throwing port (110) penetrating the top plate (110). 111), a plurality of liquid leakage holes (101) are evenly opened at the bottom of the solid waste box (100), and strip-shaped slit holes (102) are respectively opened around the bottom of the solid waste box (100), and the liquid The garbage box (200) includes a liquid storage tank (210) and a connecting cover (220), the liquid storage tank (210) and the connecting cover (220) are hinged through a hinge (230), and the top of the connecting cover (220) is opened There is a bayonet (221) for snap fit of the solid waste bin (100). 2. The trash can that can play the role of dry and wet separation according to claim 1, characterized in that: the inner wall of the solid waste box (100) is provided with an inner sleeve (120), and the inner sleeve (120) is The inner sleeve (120) is in the shape of a pyramid with a wide mouth and a narrow bottom, and the inner sleeve (120) is a hollow structure that penetrates up and down, and a plurality of grooves (121) are respectively opened on the inner wall of the inner sleeve (120). 3. The trash can according to claim 1, wherein a groove (223) recessed inward is provided on one side of the connecting cover (220). 4. The trash can that can play the role of dry and wet separation according to claim 1, wherein a sealing ring (222) is provided at the top of the connecting cover (220) near the outer edge of the bayonet (221). 5. The trash can that can play the role of dry and wet separation according to claim 1, characterized in that: a flip cover (130) for blocking the delivery port (111) is installed in the top plate (110), and the flip cover is installed in the top plate (110). (130) is rotatably connected to the top plate (110) through a rotating mechanism (140), the inner wall of the top plate (110) is provided with a rectangular inner groove (112), and the two inner walls of the injection port (111) are respectively provided with There is a through hole (113) communicating with the inner groove (112), the rotating mechanism (140) includes a rotating shaft (141) rotatably connected to the through holes (113) on both sides, and both ends of the rotating shaft (141) are Passing through the through hole (113) and being located in the inner groove (112), one end of the rotating shaft (141) is provided with a transmission bevel tooth (142), and one end of the inner groove (112) close to the transmission bevel tooth (142) is engaged with a transmission bevel tooth (142). The driving bevel teeth (143), the inner groove (112) is provided with a stepping motor (144) for driving the driving bevel teeth (143) to rotate, and the other end of the rotating shaft (141) is rotatably connected to the shaft (145) through a bearing (145). In the inner wall of the inner groove (112), at least two connecting blocks (146) are installed on the outer wall of the rotating shaft (141), and the flip cover (130) includes a baffle plate (131), and one end of the baffle plate (131) is integrally formed There is an "L"-shaped connecting plate (132), and the connecting block (146) is installed at the outer wall of the connecting plate (132). 6. The trash can that can play the role of dry and wet separation according to claim 5, characterized in that: a photoelectric signal sensor (300) for sensing is installed on the outer wall of the solid waste box (100), and the photoelectric signal The sensor (300) is signally connected to the stepper motor (144). 7. The trash can that can play the role of dry and wet separation according to claim 5, characterized in that: the top of the solid trash can (100) is provided with a speech recognizer (500) for recognizing speech, and the speech The identifier (500) is signally connected to the stepper motor (144). 8. The trash can that can play the role of dry and wet separation according to claim 5, characterized in that: at least two ultraviolet sterilization lamps (600) are installed on the inner wall of the inner groove (112). 9. The trash can according to any one of claims 6-8, wherein a charging port (400) is provided on the outer wall of the solid trash can (100).

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