阅读说明：本技术 一种挂壁式餐具回收器 (Wall-hanging tableware recoverer ) 是由 董光金 郭凌 刘绪源 罗湘晖 王文兵 于 2020-05-12 设计创作，主要内容包括：本发明涉及餐具回收设备技术领域,尤其涉及一种挂壁式餐具回收器；包括光电报警电路,所述光电报警电路包括光电三极管Q3和第一三极管Q1,所述光电三极管的第一输出端和第二输出端分别与供电电源电连接,所述光电三极管的第一输出端还与所述第一三极管的输入端电连接,所述第一三极管的第一输出端与所述供电电源电连接,所述第一三极管的第二输出端与扬声器电连接。本发明所公开的挂壁式餐具回收器,通过设置光电三极管进行回收工作量检测,通过第一三极管进行信号的放大处理,当工作量不足时,及时进行报警,便于系统进行关闭,停止回收单元的工作,提高其使用寿命,降低使用成本。(The invention relates to the technical field of tableware recovery equipment, in particular to a wall-mounted tableware recoverer; the photoelectric alarm circuit comprises a photoelectric alarm circuit, wherein the photoelectric alarm circuit comprises a photoelectric triode Q3 and a first triode Q1, a first output end and a second output end of the photoelectric triode are respectively electrically connected with a power supply, the first output end of the photoelectric triode is also electrically connected with an input end of the first triode, the first output end of the first triode is electrically connected with the power supply, and the second output end of the first triode is electrically connected with a loudspeaker. According to the wall-mounted tableware recoverer disclosed by the invention, the recovery workload is detected by arranging the photoelectric triode, the signal is amplified by the first triode, when the workload is insufficient, an alarm is given in time, the system is convenient to close, the work of the recovery unit is stopped, the service life of the recovery unit is prolonged, and the use cost is reduced.)

1. A wall-hanging tableware recoverer is characterized in that: the photoelectric alarm circuit comprises a photoelectric alarm circuit and a first triode, wherein a first output end and a second output end of the photoelectric triode are respectively electrically connected with a power supply, the first output end of the photoelectric triode is also electrically connected with an input end of the first triode, the first output end of the first triode is electrically connected with the power supply, and the second output end of the first triode is electrically connected with a loudspeaker.

2. The wall-hanging tableware retriever of claim 1, wherein: the photoelectric alarm circuit also comprises an integrated operational amplifier, and the output end of the integrated operational amplifier is electrically connected with the input end of the first triode; the positive input end and the negative input end of the integrated operational amplifier are both grounded, the output end of the integrated operational amplifier is also electrically connected with the first end of a first resistor R1, and the second end of the first resistor is electrically connected with the negative input end of the integrated operational amplifier.

3. The wall-hanging tableware retriever of claim 2, wherein: the photoelectric detector is characterized by further comprising a second triode, wherein the input end of the second triode is electrically connected with the first output end of the photoelectric triode, the first output end of the second triode is electrically connected with the input end of the first triode, and the second output end of the second triode is grounded.

4. The wall-hanging tableware retriever of claim 3, wherein: the first end of the second resistor is electrically connected with the inverting input end of the integrated operational amplifier, and the second end of the second resistor is grounded; the first end of the third resistor is electrically connected with the positive input end of the integrated operational amplifier, and the second end of the third resistor is grounded.

5. The wall-hanging tableware retriever of claim 4, wherein: the integrated operational amplifier further comprises a fourth resistor, a first capacitor and a second capacitor, wherein a first capacitor plate of the first capacitor is electrically connected with the output end of the integrated operational amplifier, a second capacitor plate of the first capacitor is electrically connected with a first end of the fourth resistor, a second end of the fourth resistor is electrically connected with a first capacitor plate of the second capacitor, and a second capacitor plate of the second capacitor is grounded.

6. The wall-hanging tableware retriever of claim 5, wherein: the first end of the fifth resistor is electrically connected with the power supply, and the second end of the fifth resistor is electrically connected with the first output end of the phototriode; and the first end of the sixth resistor is electrically connected with the output end of the integrated operational amplifier, and the second end of the sixth resistor is electrically connected with the first output end of the second triode.

7. The wall-hanging tableware retriever of claim 6, wherein: the first capacitor plate of the third capacitor is electrically connected with the first output end of the second triode, and the second capacitor plate of the third capacitor is electrically connected with the input end of the first triode.

8. The wall-hanging tableware retriever of claim 7, wherein: the first end of the seventh resistor is electrically connected with the power supply, and the second end of the seventh resistor is electrically connected with the input end of the first triode; the first end of the eighth resistor is electrically connected with the input end of the first triode, and the second end of the eighth resistor is grounded.

9. The wall-hanging tableware retriever of claim 8, wherein: the first end of the ninth resistor is electrically connected with the second output end of the first triode, and the second end of the ninth resistor is grounded; and a first capacitor plate of the fourth capacitor is electrically connected with the second output end of the first triode, and a second capacitor plate of the fourth capacitor is electrically connected with the loudspeaker.

10. The wall-hanging tableware retriever of claim 9, wherein: the photoelectric detection circuit further comprises a tenth resistor, wherein the first end of the tenth resistor is electrically connected with the first output end of the phototriode, and the second end of the tenth resistor is electrically connected with the input end of the second triode.

Technical Field

The invention relates to the technical field of tableware recovery equipment, in particular to a wall-mounted tableware recoverer.

Background

Colleges and universities have more dining halls and students and have more concentrated dining time, which brings great difficulty to the tableware recovery work. The canteen staff need to pour the food left into the garbage can, and recycle and clean the tray, the dinner plate, the chopsticks and other dining tools, which causes great workload; due to the lack of proper recovery tools, the recovery speed of the tableware is greatly influenced, the dining order of teachers and students is retarded, and the environmental sanitation of canteens is destroyed. The existing tableware recovery devices are relatively complex in structure and high in processing and manufacturing cost, and the failure probability is increased due to the fact that more electric components are used; in addition, the speed of recovering the tableware is slow, the workload of diners is large, and the normal dining order is retarded.

Chinese patent CN201620251404.2 discloses a dining room tableware recovering and conveying device, which comprises a support, and a power output system, a speed reducing transmission system and a conveying system which are mounted on the support, wherein the speed reducing transmission system is a belt wheel and belt structure composed of a belt wheel and a belt, one end of the speed reducing transmission system is connected to the output end of the power output system, and the other end of the speed reducing transmission system is connected with the conveying system and drives the conveying system to move. The utility model provides power by the three-phase AC motor, transmits the power and torque output by the three-phase AC motor to the transmission system through the belt wheel and belt structure, and tableware is placed from the driving roller of the transmission system, is conveyed to the baffle through the transmission belt and is collected by workers; the utility model discloses utilize the diameter difference of little band pulley and big band pulley to form certain reduction ratio to make the conveyer belt carry the tableware steadily. However, the recovery unit is always in operation, which seriously affects the service life of the recovery unit, resulting in a constantly high cost.

Therefore, in order to solve the above problems, it is urgently needed to invent a new wall-hanging type tableware recoverer.

Disclosure of Invention

The invention aims to: provided is a wall-hanging tableware recoverer which can give an alarm when the recovery workload is insufficient, stop the work of a recovery unit, prolong the service life of the recovery unit and reduce the use cost.

The invention provides the following scheme:

the utility model provides a wall-hanging tableware recoverer, includes photoelectric alarm circuit, photoelectric alarm circuit includes phototriode Q3 and first triode Q1, the first output and the second output of phototriode are connected with power supply electricity respectively, the first output of phototriode still with the input electricity of first triode is connected, the first output of first triode with power supply electricity is connected, the second output and the speaker electricity of first triode are connected.

Preferably, the photoelectric alarm circuit further comprises an integrated operational amplifier, and an output end of the integrated operational amplifier is electrically connected with an input end of the first triode; the positive input end and the negative input end of the integrated operational amplifier are both grounded, the output end of the integrated operational amplifier is also electrically connected with the first end of a first resistor R1, and the second end of the first resistor is electrically connected with the negative input end of the integrated operational amplifier.

Preferably, the photoelectric triode further comprises a second triode Q2, an input end of the second triode is electrically connected with a first output end of the photoelectric triode, a first output end of the second triode is electrically connected with an input end of the first triode, and a second output end of the second triode is grounded.

Preferably, the integrated operational amplifier further comprises a second resistor R2 and a third resistor R3, wherein a first end of the second resistor is electrically connected with the inverting input end of the integrated operational amplifier, and a second end of the second resistor is grounded; the first end of the third resistor is electrically connected with the positive input end of the integrated operational amplifier, and the second end of the third resistor is grounded.

Preferably, the integrated operational amplifier further comprises a fourth resistor R4, a first capacitor C1 and a second capacitor C2, wherein the first capacitor plate of the first capacitor is electrically connected to the output terminal of the integrated operational amplifier, the second capacitor plate of the first capacitor is electrically connected to the first end of the fourth resistor, the second end of the fourth resistor is electrically connected to the first capacitor plate of the second capacitor, and the second capacitor plate of the second capacitor is grounded.

Preferably, the optoelectronic device further comprises a fifth resistor R5 and a sixth resistor R6, a first end of the fifth resistor is electrically connected to the power supply, and a second end of the fifth resistor is electrically connected to the first output end of the phototransistor; and the first end of the sixth resistor is electrically connected with the output end of the integrated operational amplifier, and the second end of the sixth resistor is electrically connected with the first output end of the second triode.

Preferably, the transistor further comprises a third capacitor C3, a first capacitor plate of the third capacitor is electrically connected to the first output terminal of the second transistor, and a second capacitor plate of the third capacitor is electrically connected to the input terminal of the first transistor.

Preferably, the power supply further comprises a seventh resistor R7 and an eighth resistor R8, a first end of the seventh resistor is electrically connected to the power supply, and a second end of the seventh resistor is electrically connected to the input end of the first triode; the first end of the eighth resistor is electrically connected with the input end of the first triode, and the second end of the eighth resistor is grounded.

Preferably, the transistor further comprises a ninth resistor R9 and a fourth capacitor C4, a first end of the ninth resistor is electrically connected to the second output end of the first triode, and a second end of the ninth resistor is grounded; and a first capacitor plate of the fourth capacitor is electrically connected with the second output end of the first triode, and a second capacitor plate of the fourth capacitor is electrically connected with the loudspeaker.

Preferably, the device further comprises a tenth resistor R10, a first end of the tenth resistor is electrically connected to the first output terminal of the phototransistor, and a second end of the tenth resistor is electrically connected to the input terminal of the second triode.

The invention has the following beneficial effects:

1. the wall-mounted tableware recoverer comprises a photoelectric alarm circuit, wherein the photoelectric alarm circuit comprises a photoelectric triode Q3 and a first triode Q1, a first output end and a second output end of the photoelectric triode are respectively and electrically connected with a power supply, the first output end of the photoelectric triode is also electrically connected with the input end of the first triode, the first output end of the first triode is electrically connected with the power supply, and the second output end of the first triode is electrically connected with a loudspeaker; carry out the work load through setting up the phototriode and detect, carry out the enlarged processing of signal through first triode, when the work load is not enough, in time report to the police, the system of being convenient for is closed, stops the work of retrieving the unit, improves its life, reduces use cost.

2. The photoelectric alarm circuit also comprises an integrated operational amplifier, and the output end of the integrated operational amplifier is electrically connected with the input end of the first triode; the positive input end and the negative input end of the integrated operational amplifier are both grounded, the output end of the integrated operational amplifier is also electrically connected with the first end of a first resistor R1, and the second end of the first resistor is electrically connected with the negative input end of the integrated operational amplifier; by arranging the oscillator formed by the integrated operational amplifier, the anti-interference capability of the circuit is improved, the probability of false alarm is reduced, and the stability and the reliability of the system are improved.

Drawings

FIG. 1 is a circuit diagram of a wall-hanging tableware retriever of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the wall-mounted tableware recoverer comprises a photoelectric alarm circuit, wherein the photoelectric alarm circuit comprises a phototriode Q3 and a first triode Q1, a first output end and a second output end of the phototriode are respectively electrically connected with a power supply, the first output end of the phototriode is also electrically connected with an input end of the first triode, the first output end of the first triode is electrically connected with the power supply, and the second output end of the first triode is electrically connected with a loudspeaker. The photoelectric alarm circuit also comprises an integrated operational amplifier, and the output end of the integrated operational amplifier is electrically connected with the input end of the first triode; the positive input end and the negative input end of the integrated operational amplifier are both grounded, the output end of the integrated operational amplifier is also electrically connected with the first end of a first resistor R1, and the second end of the first resistor is electrically connected with the negative input end of the integrated operational amplifier.

Referring to fig. 1, the optoelectronic device further includes a second transistor Q2, an input terminal of the second transistor is electrically connected to the first output terminal of the phototriode, a first output terminal of the second transistor is electrically connected to the input terminal of the first transistor, and a second output terminal of the second transistor is grounded. The circuit also comprises a second resistor R2 and a third resistor R3, wherein the first end of the second resistor is electrically connected with the inverting input end of the integrated operational amplifier, and the second end of the second resistor is grounded; the first end of the third resistor is electrically connected with the positive input end of the integrated operational amplifier, and the second end of the third resistor is grounded. The integrated operational amplifier further comprises a fourth resistor R4, a first capacitor C1 and a second capacitor C2, wherein the first capacitor plate of the first capacitor is electrically connected with the output end of the integrated operational amplifier, the second capacitor plate of the first capacitor is electrically connected with the first end of the fourth resistor, the second end of the fourth resistor is electrically connected with the first capacitor plate of the second capacitor, and the second capacitor plate of the second capacitor is grounded. The photoelectric detection circuit also comprises a fifth resistor R5 and a sixth resistor R6, wherein the first end of the fifth resistor is electrically connected with the power supply, and the second end of the fifth resistor is electrically connected with the first output end of the phototriode; and the first end of the sixth resistor is electrically connected with the output end of the integrated operational amplifier, and the second end of the sixth resistor is electrically connected with the first output end of the second triode.

Referring to fig. 1, the transistor further includes a third capacitor C3, where a first capacitor plate of the third capacitor is electrically connected to the first output terminal of the second transistor, and a second capacitor plate of the third capacitor is electrically connected to the input terminal of the first transistor. The first end of the seventh resistor is electrically connected with the power supply, and the second end of the seventh resistor is electrically connected with the input end of the first triode; the first end of the eighth resistor is electrically connected with the input end of the first triode, and the second end of the eighth resistor is grounded. The first end of the ninth resistor is electrically connected with the second output end of the first triode, and the second end of the ninth resistor is grounded; and a first capacitor plate of the fourth capacitor is electrically connected with the second output end of the first triode, and a second capacitor plate of the fourth capacitor is electrically connected with the loudspeaker. The photoelectric conversion device further comprises a tenth resistor R10, wherein a first end of the tenth resistor is electrically connected with the first output end of the phototriode, and a second end of the tenth resistor is electrically connected with the input end of the second triode.

The wall-mounted tableware recoverer in the embodiment comprises a photoelectric alarm circuit, wherein the photoelectric alarm circuit comprises a phototriode Q3 and a first triode Q1, a first output end and a second output end of the phototriode are respectively and electrically connected with a power supply, the first output end of the phototriode is also electrically connected with an input end of the first triode, the first output end of the first triode is electrically connected with the power supply, and the second output end of the first triode is electrically connected with a loudspeaker; carry out the work load through setting up the phototriode and detect, carry out the enlarged processing of signal through first triode, when the work load is not enough, in time report to the police, the system of being convenient for is closed, stops the work of retrieving the unit, improves its life, reduces use cost.

In the wall-hanging tableware recoverer in this embodiment, the photoelectric alarm circuit further includes an integrated operational amplifier, and an output end of the integrated operational amplifier is electrically connected with an input end of the first triode; the positive input end and the negative input end of the integrated operational amplifier are both grounded, the output end of the integrated operational amplifier is also electrically connected with the first end of a first resistor R1, and the second end of the first resistor is electrically connected with the negative input end of the integrated operational amplifier; the oscillator formed by the integrated operational amplifier is arranged to generate an audio alarm signal, so that the anti-jamming capability of the circuit is improved, the probability of false alarm is reduced, and the stability and reliability of the system are improved.

The working principle of the wall-hanging tableware recoverer in this embodiment is as follows: when the workload is lower than a certain value, the photoelectric triode and the second triode are both cut off, and an audio signal generated by the oscillating circuit is transmitted to the first triode to be amplified and then gives out sound for alarming; when the workload is strong enough, the photoelectric triode and the second triode are both in saturation conduction, the audio signal generated by the oscillating circuit is short-circuited, and the sound alarm cannot be given out.

In the wall-hanging tableware recoverer in this embodiment, the power supply range of the power supply is +6V to-6V, the model of the phototriode is TIL113, the model of the first triode is 3DG32, and the model of the second triode is 3AX 31.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.